Home / 71,562.15-107,177.13-69,071.10

Finding the Fourth Proportional to 71,562.15, 107,177.13 and 69,071.10

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Solution

The fourth proportional to 71,562.15, 107,177.13 and 69,071.10 is: 103,446.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,562.15 : 107,177.13 = 69,071.10 : x
  2. Step 2: Convert to fraction form
    71,562.15/107,177.13 = 69,071.10/x
  3. Step 3: Cross multiply
    71,562.15x = 107,177.13 × 69,071.10
  4. Step 4: Simplify right side
    71,562.15x = 7,402,842,263.94
  5. Step 5: Solve for x
    x = 7,402,842,263.94/71,562.15
  6. Step 6: Final answer
    x = 103,446.33

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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.