Home / 125,236.04-172,827.83-67,877.20

Finding the Fourth Proportional to 125,236.04, 172,827.83 and 67,877.20

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Solution

The fourth proportional to 125,236.04, 172,827.83 and 67,877.20 is: 93,671.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,236.04 : 172,827.83 = 67,877.20 : x
  2. Step 2: Convert to fraction form
    125,236.04/172,827.83 = 67,877.20/x
  3. Step 3: Cross multiply
    125,236.04x = 172,827.83 × 67,877.20
  4. Step 4: Simplify right side
    125,236.04x = 11,731,067,978.95
  5. Step 5: Solve for x
    x = 11,731,067,978.95/125,236.04
  6. Step 6: Final answer
    x = 93,671.66

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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.