Home / 71,173.53-98,214.66-39,338.10

Finding the Fourth Proportional to 71,173.53, 98,214.66 and 39,338.10

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Solution

The fourth proportional to 71,173.53, 98,214.66 and 39,338.10 is: 54,283.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,173.53 : 98,214.66 = 39,338.10 : x
  2. Step 2: Convert to fraction form
    71,173.53/98,214.66 = 39,338.10/x
  3. Step 3: Cross multiply
    71,173.53x = 98,214.66 × 39,338.10
  4. Step 4: Simplify right side
    71,173.53x = 3,863,578,116.55
  5. Step 5: Solve for x
    x = 3,863,578,116.55/71,173.53
  6. Step 6: Final answer
    x = 54,283.92

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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.