Home / 88,270.21-132,330.67-38,312.75

Finding the Fourth Proportional to 88,270.21, 132,330.67 and 38,312.75

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Solution

The fourth proportional to 88,270.21, 132,330.67 and 38,312.75 is: 57,436.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,270.21 : 132,330.67 = 38,312.75 : x
  2. Step 2: Convert to fraction form
    88,270.21/132,330.67 = 38,312.75/x
  3. Step 3: Cross multiply
    88,270.21x = 132,330.67 × 38,312.75
  4. Step 4: Simplify right side
    88,270.21x = 5,069,951,877.04
  5. Step 5: Solve for x
    x = 5,069,951,877.04/88,270.21
  6. Step 6: Final answer
    x = 57,436.73

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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.