Home / 125,630.50-173,370.18-69,042.28

Finding the Fourth Proportional to 125,630.50, 173,370.18 and 69,042.28

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Solution

The fourth proportional to 125,630.50, 173,370.18 and 69,042.28 is: 95,278.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,630.50 : 173,370.18 = 69,042.28 : x
  2. Step 2: Convert to fraction form
    125,630.50/173,370.18 = 69,042.28/x
  3. Step 3: Cross multiply
    125,630.50x = 173,370.18 × 69,042.28
  4. Step 4: Simplify right side
    125,630.50x = 11,969,872,511.21
  5. Step 5: Solve for x
    x = 11,969,872,511.21/125,630.50
  6. Step 6: Final answer
    x = 95,278.40

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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.