Home / 125,739.86-173,524.29-69,152.72

Finding the Fourth Proportional to 125,739.86, 173,524.29 and 69,152.72

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Solution

The fourth proportional to 125,739.86, 173,524.29 and 69,152.72 is: 95,432.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,739.86 : 173,524.29 = 69,152.72 : x
  2. Step 2: Convert to fraction form
    125,739.86/173,524.29 = 69,152.72/x
  3. Step 3: Cross multiply
    125,739.86x = 173,524.29 × 69,152.72
  4. Step 4: Simplify right side
    125,739.86x = 11,999,676,639.57
  5. Step 5: Solve for x
    x = 11,999,676,639.57/125,739.86
  6. Step 6: Final answer
    x = 95,432.56

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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.