Home / 107,747.40-161,565.77-57,869.48

Finding the Fourth Proportional to 107,747.40, 161,565.77 and 57,869.48

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Solution

The fourth proportional to 107,747.40, 161,565.77 and 57,869.48 is: 86,774.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,747.40 : 161,565.77 = 57,869.48 : x
  2. Step 2: Convert to fraction form
    107,747.40/161,565.77 = 57,869.48/x
  3. Step 3: Cross multiply
    107,747.40x = 161,565.77 × 57,869.48
  4. Step 4: Simplify right side
    107,747.40x = 9,349,727,095.70
  5. Step 5: Solve for x
    x = 9,349,727,095.70/107,747.40
  6. Step 6: Final answer
    x = 86,774.50

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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.