Home / 69,132.09-103,693.26-39,456.93

Finding the Fourth Proportional to 69,132.09, 103,693.26 and 39,456.93

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Solution

The fourth proportional to 69,132.09, 103,693.26 and 39,456.93 is: 59,182.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,132.09 : 103,693.26 = 39,456.93 : x
  2. Step 2: Convert to fraction form
    69,132.09/103,693.26 = 39,456.93/x
  3. Step 3: Cross multiply
    69,132.09x = 103,693.26 × 39,456.93
  4. Step 4: Simplify right side
    69,132.09x = 4,091,417,701.29
  5. Step 5: Solve for x
    x = 4,091,417,701.29/69,132.09
  6. Step 6: Final answer
    x = 59,182.61

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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.