Home / 90,505.59-135,824.04-63,675.15

Finding the Fourth Proportional to 90,505.59, 135,824.04 and 63,675.15

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Solution

The fourth proportional to 90,505.59, 135,824.04 and 63,675.15 is: 95,558.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,505.59 : 135,824.04 = 63,675.15 : x
  2. Step 2: Convert to fraction form
    90,505.59/135,824.04 = 63,675.15/x
  3. Step 3: Cross multiply
    90,505.59x = 135,824.04 × 63,675.15
  4. Step 4: Simplify right side
    90,505.59x = 8,648,616,120.61
  5. Step 5: Solve for x
    x = 8,648,616,120.61/90,505.59
  6. Step 6: Final answer
    x = 95,558.92

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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.