Home / 125,974.02-173,844.15-69,385.40

Finding the Fourth Proportional to 125,974.02, 173,844.15 and 69,385.40

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Solution

The fourth proportional to 125,974.02, 173,844.15 and 69,385.40 is: 95,751.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,974.02 : 173,844.15 = 69,385.40 : x
  2. Step 2: Convert to fraction form
    125,974.02/173,844.15 = 69,385.40/x
  3. Step 3: Cross multiply
    125,974.02x = 173,844.15 × 69,385.40
  4. Step 4: Simplify right side
    125,974.02x = 12,062,245,407.91
  5. Step 5: Solve for x
    x = 12,062,245,407.91/125,974.02
  6. Step 6: Final answer
    x = 95,751.85

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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.