Home / 60,690.12-91,060.68-29,117.16

Finding the Fourth Proportional to 60,690.12, 91,060.68 and 29,117.16

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Solution

The fourth proportional to 60,690.12, 91,060.68 and 29,117.16 is: 43,687.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,690.12 : 91,060.68 = 29,117.16 : x
  2. Step 2: Convert to fraction form
    60,690.12/91,060.68 = 29,117.16/x
  3. Step 3: Cross multiply
    60,690.12x = 91,060.68 × 29,117.16
  4. Step 4: Simplify right side
    60,690.12x = 2,651,428,389.27
  5. Step 5: Solve for x
    x = 2,651,428,389.27/60,690.12
  6. Step 6: Final answer
    x = 43,687.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.