Home / 120,592.80-180,842.83-57,364.20

Finding the Fourth Proportional to 120,592.80, 180,842.83 and 57,364.20

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Solution

The fourth proportional to 120,592.80, 180,842.83 and 57,364.20 is: 86,024.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,592.80 : 180,842.83 = 57,364.20 : x
  2. Step 2: Convert to fraction form
    120,592.80/180,842.83 = 57,364.20/x
  3. Step 3: Cross multiply
    120,592.80x = 180,842.83 × 57,364.20
  4. Step 4: Simplify right side
    120,592.80x = 10,373,904,125.28
  5. Step 5: Solve for x
    x = 10,373,904,125.28/120,592.80
  6. Step 6: Final answer
    x = 86,024.24

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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.