Home / 104,565.38-156,759.86-45,356.45

Finding the Fourth Proportional to 104,565.38, 156,759.86 and 45,356.45

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Solution

The fourth proportional to 104,565.38, 156,759.86 and 45,356.45 is: 67,996.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,565.38 : 156,759.86 = 45,356.45 : x
  2. Step 2: Convert to fraction form
    104,565.38/156,759.86 = 45,356.45/x
  3. Step 3: Cross multiply
    104,565.38x = 156,759.86 × 45,356.45
  4. Step 4: Simplify right side
    104,565.38x = 7,110,070,081.69
  5. Step 5: Solve for x
    x = 7,110,070,081.69/104,565.38
  6. Step 6: Final answer
    x = 67,996.41

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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.