Home / 88,385.16-132,590.21-28,393.52

Finding the Fourth Proportional to 88,385.16, 132,590.21 and 28,393.52

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Solution

The fourth proportional to 88,385.16, 132,590.21 and 28,393.52 is: 42,594.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,385.16 : 132,590.21 = 28,393.52 : x
  2. Step 2: Convert to fraction form
    88,385.16/132,590.21 = 28,393.52/x
  3. Step 3: Cross multiply
    88,385.16x = 132,590.21 × 28,393.52
  4. Step 4: Simplify right side
    88,385.16x = 3,764,701,974.52
  5. Step 5: Solve for x
    x = 3,764,701,974.52/88,385.16
  6. Step 6: Final answer
    x = 42,594.28

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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.