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Finding the Fourth Proportional to 64,041.48, 96,060.17 and 28,981.14

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Solution

The fourth proportional to 64,041.48, 96,060.17 and 28,981.14 is: 43,470.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,041.48 : 96,060.17 = 28,981.14 : x
  2. Step 2: Convert to fraction form
    64,041.48/96,060.17 = 28,981.14/x
  3. Step 3: Cross multiply
    64,041.48x = 96,060.17 × 28,981.14
  4. Step 4: Simplify right side
    64,041.48x = 2,783,932,754.89
  5. Step 5: Solve for x
    x = 2,783,932,754.89/64,041.48
  6. Step 6: Final answer
    x = 43,470.77

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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.