Home / 88,037.80-132,348.30-75,207.40

Finding the Fourth Proportional to 88,037.80, 132,348.30 and 75,207.40

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Solution

The fourth proportional to 88,037.80, 132,348.30 and 75,207.40 is: 113,060.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,037.80 : 132,348.30 = 75,207.40 : x
  2. Step 2: Convert to fraction form
    88,037.80/132,348.30 = 75,207.40/x
  3. Step 3: Cross multiply
    88,037.80x = 132,348.30 × 75,207.40
  4. Step 4: Simplify right side
    88,037.80x = 9,953,571,537.42
  5. Step 5: Solve for x
    x = 9,953,571,537.42/88,037.80
  6. Step 6: Final answer
    x = 113,060.20

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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.