Home / 107,565.86-161,342.61-41,012.70

Finding the Fourth Proportional to 107,565.86, 161,342.61 and 41,012.70

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Solution

The fourth proportional to 107,565.86, 161,342.61 and 41,012.70 is: 61,516.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,565.86 : 161,342.61 = 41,012.70 : x
  2. Step 2: Convert to fraction form
    107,565.86/161,342.61 = 41,012.70/x
  3. Step 3: Cross multiply
    107,565.86x = 161,342.61 × 41,012.70
  4. Step 4: Simplify right side
    107,565.86x = 6,617,096,061.15
  5. Step 5: Solve for x
    x = 6,617,096,061.15/107,565.86
  6. Step 6: Final answer
    x = 61,516.70

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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.