Home / 125,052.86-172,655.45-96,321.76

Finding the Fourth Proportional to 125,052.86, 172,655.45 and 96,321.76

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Solution

The fourth proportional to 125,052.86, 172,655.45 and 96,321.76 is: 132,987.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,052.86 : 172,655.45 = 96,321.76 : x
  2. Step 2: Convert to fraction form
    125,052.86/172,655.45 = 96,321.76/x
  3. Step 3: Cross multiply
    125,052.86x = 172,655.45 × 96,321.76
  4. Step 4: Simplify right side
    125,052.86x = 16,630,476,265.55
  5. Step 5: Solve for x
    x = 16,630,476,265.55/125,052.86
  6. Step 6: Final answer
    x = 132,987.57

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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.