Home / 69,301.34-104,127.18-66,498.83

Finding the Fourth Proportional to 69,301.34, 104,127.18 and 66,498.83

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Solution

The fourth proportional to 69,301.34, 104,127.18 and 66,498.83 is: 99,916.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,301.34 : 104,127.18 = 66,498.83 : x
  2. Step 2: Convert to fraction form
    69,301.34/104,127.18 = 66,498.83/x
  3. Step 3: Cross multiply
    69,301.34x = 104,127.18 × 66,498.83
  4. Step 4: Simplify right side
    69,301.34x = 6,924,335,641.20
  5. Step 5: Solve for x
    x = 6,924,335,641.20/69,301.34
  6. Step 6: Final answer
    x = 99,916.33

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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.