Home / 71,022.30-98,011.10-39,192.14

Finding the Fourth Proportional to 71,022.30, 98,011.10 and 39,192.14

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Solution

The fourth proportional to 71,022.30, 98,011.10 and 39,192.14 is: 54,085.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,022.30 : 98,011.10 = 39,192.14 : x
  2. Step 2: Convert to fraction form
    71,022.30/98,011.10 = 39,192.14/x
  3. Step 3: Cross multiply
    71,022.30x = 98,011.10 × 39,192.14
  4. Step 4: Simplify right side
    71,022.30x = 3,841,264,752.75
  5. Step 5: Solve for x
    x = 3,841,264,752.75/71,022.30
  6. Step 6: Final answer
    x = 54,085.33

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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.