Home / 125,424.45-173,057.31-71,700.80

Finding the Fourth Proportional to 125,424.45, 173,057.31 and 71,700.80

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Solution

The fourth proportional to 125,424.45, 173,057.31 and 71,700.80 is: 98,930.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,424.45 : 173,057.31 = 71,700.80 : x
  2. Step 2: Convert to fraction form
    125,424.45/173,057.31 = 71,700.80/x
  3. Step 3: Cross multiply
    125,424.45x = 173,057.31 × 71,700.80
  4. Step 4: Simplify right side
    125,424.45x = 12,408,346,707.56
  5. Step 5: Solve for x
    x = 12,408,346,707.56/125,424.45
  6. Step 6: Final answer
    x = 98,930.84

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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.