Home / 71,302.92-98,399.20-39,037.00

Finding the Fourth Proportional to 71,302.92, 98,399.20 and 39,037.00

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Solution

The fourth proportional to 71,302.92, 98,399.20 and 39,037.00 is: 53,871.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,302.92 : 98,399.20 = 39,037.00 : x
  2. Step 2: Convert to fraction form
    71,302.92/98,399.20 = 39,037.00/x
  3. Step 3: Cross multiply
    71,302.92x = 98,399.20 × 39,037.00
  4. Step 4: Simplify right side
    71,302.92x = 3,841,209,939.40
  5. Step 5: Solve for x
    x = 3,841,209,939.40/71,302.92
  6. Step 6: Final answer
    x = 53,871.70

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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.