Home / 125,011.24-172,515.96-67,650.55

Finding the Fourth Proportional to 125,011.24, 172,515.96 and 67,650.55

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Solution

The fourth proportional to 125,011.24, 172,515.96 and 67,650.55 is: 93,358.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,011.24 : 172,515.96 = 67,650.55 : x
  2. Step 2: Convert to fraction form
    125,011.24/172,515.96 = 67,650.55/x
  3. Step 3: Cross multiply
    125,011.24x = 172,515.96 × 67,650.55
  4. Step 4: Simplify right side
    125,011.24x = 11,670,799,577.78
  5. Step 5: Solve for x
    x = 11,670,799,577.78/125,011.24
  6. Step 6: Final answer
    x = 93,358.00

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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.