Home / 125,968.72-173,834.76-69,385.36

Finding the Fourth Proportional to 125,968.72, 173,834.76 and 69,385.36

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Solution

The fourth proportional to 125,968.72, 173,834.76 and 69,385.36 is: 95,750.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,968.72 : 173,834.76 = 69,385.36 : x
  2. Step 2: Convert to fraction form
    125,968.72/173,834.76 = 69,385.36/x
  3. Step 3: Cross multiply
    125,968.72x = 173,834.76 × 69,385.36
  4. Step 4: Simplify right side
    125,968.72x = 12,061,587,403.11
  5. Step 5: Solve for x
    x = 12,061,587,403.11/125,968.72
  6. Step 6: Final answer
    x = 95,750.65

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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.