Home / 66,397.20-99,587.54-26,916.38

Finding the Fourth Proportional to 66,397.20, 99,587.54 and 26,916.38

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Solution

The fourth proportional to 66,397.20, 99,587.54 and 26,916.38 is: 40,371.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,397.20 : 99,587.54 = 26,916.38 : x
  2. Step 2: Convert to fraction form
    66,397.20/99,587.54 = 26,916.38/x
  3. Step 3: Cross multiply
    66,397.20x = 99,587.54 × 26,916.38
  4. Step 4: Simplify right side
    66,397.20x = 2,680,536,069.91
  5. Step 5: Solve for x
    x = 2,680,536,069.91/66,397.20
  6. Step 6: Final answer
    x = 40,371.22

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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.