Home / 88,290.47-132,361.05-38,332.78

Finding the Fourth Proportional to 88,290.47, 132,361.05 and 38,332.78

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Solution

The fourth proportional to 88,290.47, 132,361.05 and 38,332.78 is: 57,466.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,290.47 : 132,361.05 = 38,332.78 : x
  2. Step 2: Convert to fraction form
    88,290.47/132,361.05 = 38,332.78/x
  3. Step 3: Cross multiply
    88,290.47x = 132,361.05 × 38,332.78
  4. Step 4: Simplify right side
    88,290.47x = 5,073,766,823.06
  5. Step 5: Solve for x
    x = 5,073,766,823.06/88,290.47
  6. Step 6: Final answer
    x = 57,466.75

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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.