Home / 82,547.76-123,870.83-29,961.35

Finding the Fourth Proportional to 82,547.76, 123,870.83 and 29,961.35

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Solution

The fourth proportional to 82,547.76, 123,870.83 and 29,961.35 is: 44,959.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,547.76 : 123,870.83 = 29,961.35 : x
  2. Step 2: Convert to fraction form
    82,547.76/123,870.83 = 29,961.35/x
  3. Step 3: Cross multiply
    82,547.76x = 123,870.83 × 29,961.35
  4. Step 4: Simplify right side
    82,547.76x = 3,711,336,523.26
  5. Step 5: Solve for x
    x = 3,711,336,523.26/82,547.76
  6. Step 6: Final answer
    x = 44,959.87

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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.