Home / 61,321.66-84,688.14-42,251.02

Finding the Fourth Proportional to 61,321.66, 84,688.14 and 42,251.02

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Solution

The fourth proportional to 61,321.66, 84,688.14 and 42,251.02 is: 58,350.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,321.66 : 84,688.14 = 42,251.02 : x
  2. Step 2: Convert to fraction form
    61,321.66/84,688.14 = 42,251.02/x
  3. Step 3: Cross multiply
    61,321.66x = 84,688.14 × 42,251.02
  4. Step 4: Simplify right side
    61,321.66x = 3,578,160,296.90
  5. Step 5: Solve for x
    x = 3,578,160,296.90/61,321.66
  6. Step 6: Final answer
    x = 58,350.68

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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.