Home / 82,532.81-123,776.35-29,217.77

Finding the Fourth Proportional to 82,532.81, 123,776.35 and 29,217.77

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Solution

The fourth proportional to 82,532.81, 123,776.35 and 29,217.77 is: 43,818.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,532.81 : 123,776.35 = 29,217.77 : x
  2. Step 2: Convert to fraction form
    82,532.81/123,776.35 = 29,217.77/x
  3. Step 3: Cross multiply
    82,532.81x = 123,776.35 × 29,217.77
  4. Step 4: Simplify right side
    82,532.81x = 3,616,468,925.74
  5. Step 5: Solve for x
    x = 3,616,468,925.74/82,532.81
  6. Step 6: Final answer
    x = 43,818.56

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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.