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Finding the Fourth Proportional to 60,864.60, 91,296.90 and 34,620.60

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Solution

The fourth proportional to 60,864.60, 91,296.90 and 34,620.60 is: 51,930.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,864.60 : 91,296.90 = 34,620.60 : x
  2. Step 2: Convert to fraction form
    60,864.60/91,296.90 = 34,620.60/x
  3. Step 3: Cross multiply
    60,864.60x = 91,296.90 × 34,620.60
  4. Step 4: Simplify right side
    60,864.60x = 3,160,753,456.14
  5. Step 5: Solve for x
    x = 3,160,753,456.14/60,864.60
  6. Step 6: Final answer
    x = 51,930.90

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1.5x scale

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.