Home / 125,043.48-172,560.02-68,454.86

Finding the Fourth Proportional to 125,043.48, 172,560.02 and 68,454.86

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Solution

The fourth proportional to 125,043.48, 172,560.02 and 68,454.86 is: 94,467.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,043.48 : 172,560.02 = 68,454.86 : x
  2. Step 2: Convert to fraction form
    125,043.48/172,560.02 = 68,454.86/x
  3. Step 3: Cross multiply
    125,043.48x = 172,560.02 × 68,454.86
  4. Step 4: Simplify right side
    125,043.48x = 11,812,572,010.70
  5. Step 5: Solve for x
    x = 11,812,572,010.70/125,043.48
  6. Step 6: Final answer
    x = 94,467.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.