Home / 88,077.20-132,115.80-56,584.40

Finding the Fourth Proportional to 88,077.20, 132,115.80 and 56,584.40

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Solution

The fourth proportional to 88,077.20, 132,115.80 and 56,584.40 is: 84,876.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,077.20 : 132,115.80 = 56,584.40 : x
  2. Step 2: Convert to fraction form
    88,077.20/132,115.80 = 56,584.40/x
  3. Step 3: Cross multiply
    88,077.20x = 132,115.80 × 56,584.40
  4. Step 4: Simplify right side
    88,077.20x = 7,475,693,273.52
  5. Step 5: Solve for x
    x = 7,475,693,273.52/88,077.20
  6. Step 6: Final answer
    x = 84,876.60

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1.5x scale

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.