Home / 71,306.10-98,371.52-42,996.06

Finding the Fourth Proportional to 71,306.10, 98,371.52 and 42,996.06

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Solution

The fourth proportional to 71,306.10, 98,371.52 and 42,996.06 is: 59,315.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,306.10 : 98,371.52 = 42,996.06 : x
  2. Step 2: Convert to fraction form
    71,306.10/98,371.52 = 42,996.06/x
  3. Step 3: Cross multiply
    71,306.10x = 98,371.52 × 42,996.06
  4. Step 4: Simplify right side
    71,306.10x = 4,229,587,561.23
  5. Step 5: Solve for x
    x = 4,229,587,561.23/71,306.10
  6. Step 6: Final answer
    x = 59,315.93

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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.