Home / 120,904.20-181,385.10-58,523.40

Finding the Fourth Proportional to 120,904.20, 181,385.10 and 58,523.40

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Solution

The fourth proportional to 120,904.20, 181,385.10 and 58,523.40 is: 87,799.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,904.20 : 181,385.10 = 58,523.40 : x
  2. Step 2: Convert to fraction form
    120,904.20/181,385.10 = 58,523.40/x
  3. Step 3: Cross multiply
    120,904.20x = 181,385.10 × 58,523.40
  4. Step 4: Simplify right side
    120,904.20x = 10,615,272,761.34
  5. Step 5: Solve for x
    x = 10,615,272,761.34/120,904.20
  6. Step 6: Final answer
    x = 87,799.04

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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.