Home / 71,074.96-98,082.76-39,243.18

Finding the Fourth Proportional to 71,074.96, 98,082.76 and 39,243.18

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Solution

The fourth proportional to 71,074.96, 98,082.76 and 39,243.18 is: 54,155.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,074.96 : 98,082.76 = 39,243.18 : x
  2. Step 2: Convert to fraction form
    71,074.96/98,082.76 = 39,243.18/x
  3. Step 3: Cross multiply
    71,074.96x = 98,082.76 × 39,243.18
  4. Step 4: Simplify right side
    71,074.96x = 3,849,079,405.58
  5. Step 5: Solve for x
    x = 3,849,079,405.58/71,074.96
  6. Step 6: Final answer
    x = 54,155.21

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.