Home / 91,763.53-137,630.48-25,188.08

Finding the Fourth Proportional to 91,763.53, 137,630.48 and 25,188.08

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Solution

The fourth proportional to 91,763.53, 137,630.48 and 25,188.08 is: 37,778.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,763.53 : 137,630.48 = 25,188.08 : x
  2. Step 2: Convert to fraction form
    91,763.53/137,630.48 = 25,188.08/x
  3. Step 3: Cross multiply
    91,763.53x = 137,630.48 × 25,188.08
  4. Step 4: Simplify right side
    91,763.53x = 3,466,646,726.59
  5. Step 5: Solve for x
    x = 3,466,646,726.59/91,763.53
  6. Step 6: Final answer
    x = 37,778.05

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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.