Home / 125,475.30-173,079.83-74,454.41

Finding the Fourth Proportional to 125,475.30, 173,079.83 and 74,454.41

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Solution

The fourth proportional to 125,475.30, 173,079.83 and 74,454.41 is: 102,701.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,475.30 : 173,079.83 = 74,454.41 : x
  2. Step 2: Convert to fraction form
    125,475.30/173,079.83 = 74,454.41/x
  3. Step 3: Cross multiply
    125,475.30x = 173,079.83 × 74,454.41
  4. Step 4: Simplify right side
    125,475.30x = 12,886,555,387.88
  5. Step 5: Solve for x
    x = 12,886,555,387.88/125,475.30
  6. Step 6: Final answer
    x = 102,701.93

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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.