Home / 71,055.95-98,057.10-39,224.76

Finding the Fourth Proportional to 71,055.95, 98,057.10 and 39,224.76

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Solution

The fourth proportional to 71,055.95, 98,057.10 and 39,224.76 is: 54,130.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,055.95 : 98,057.10 = 39,224.76 : x
  2. Step 2: Convert to fraction form
    71,055.95/98,057.10 = 39,224.76/x
  3. Step 3: Cross multiply
    71,055.95x = 98,057.10 × 39,224.76
  4. Step 4: Simplify right side
    71,055.95x = 3,846,266,213.80
  5. Step 5: Solve for x
    x = 3,846,266,213.80/71,055.95
  6. Step 6: Final answer
    x = 54,130.11

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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.