Home / 91,701.49-137,540.52-35,503.15

Finding the Fourth Proportional to 91,701.49, 137,540.52 and 35,503.15

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Solution

The fourth proportional to 91,701.49, 137,540.52 and 35,503.15 is: 53,250.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,701.49 : 137,540.52 = 35,503.15 : x
  2. Step 2: Convert to fraction form
    91,701.49/137,540.52 = 35,503.15/x
  3. Step 3: Cross multiply
    91,701.49x = 137,540.52 × 35,503.15
  4. Step 4: Simplify right side
    91,701.49x = 4,883,121,712.64
  5. Step 5: Solve for x
    x = 4,883,121,712.64/91,701.49
  6. Step 6: Final answer
    x = 53,250.19

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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.