Home / 125,104.80-187,676.63-42,018.24

Finding the Fourth Proportional to 125,104.80, 187,676.63 and 42,018.24

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Solution

The fourth proportional to 125,104.80, 187,676.63 and 42,018.24 is: 63,033.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,104.80 : 187,676.63 = 42,018.24 : x
  2. Step 2: Convert to fraction form
    125,104.80/187,676.63 = 42,018.24/x
  3. Step 3: Cross multiply
    125,104.80x = 187,676.63 × 42,018.24
  4. Step 4: Simplify right side
    125,104.80x = 7,885,841,471.64
  5. Step 5: Solve for x
    x = 7,885,841,471.64/125,104.80
  6. Step 6: Final answer
    x = 63,033.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.