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Finding the Fourth Proportional to 60,606.91, 90,879.92 and 35,314.59

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Solution

The fourth proportional to 60,606.91, 90,879.92 and 35,314.59 is: 52,954.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,606.91 : 90,879.92 = 35,314.59 : x
  2. Step 2: Convert to fraction form
    60,606.91/90,879.92 = 35,314.59/x
  3. Step 3: Cross multiply
    60,606.91x = 90,879.92 × 35,314.59
  4. Step 4: Simplify right side
    60,606.91x = 3,209,386,659.63
  5. Step 5: Solve for x
    x = 3,209,386,659.63/60,606.91
  6. Step 6: Final answer
    x = 52,954.14

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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.