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Finding the Fourth Proportional to 79,527.52, 119,265.76 and 35,153.28

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Solution

The fourth proportional to 79,527.52, 119,265.76 and 35,153.28 is: 52,718.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,527.52 : 119,265.76 = 35,153.28 : x
  2. Step 2: Convert to fraction form
    79,527.52/119,265.76 = 35,153.28/x
  3. Step 3: Cross multiply
    79,527.52x = 119,265.76 × 35,153.28
  4. Step 4: Simplify right side
    79,527.52x = 4,192,582,655.69
  5. Step 5: Solve for x
    x = 4,192,582,655.69/79,527.52
  6. Step 6: Final answer
    x = 52,718.64

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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.