Home / 42,118.92-63,163.80-23,427.36

Finding the Fourth Proportional to 42,118.92, 63,163.80 and 23,427.36

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Solution

The fourth proportional to 42,118.92, 63,163.80 and 23,427.36 is: 35,132.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,118.92 : 63,163.80 = 23,427.36 : x
  2. Step 2: Convert to fraction form
    42,118.92/63,163.80 = 23,427.36/x
  3. Step 3: Cross multiply
    42,118.92x = 63,163.80 × 23,427.36
  4. Step 4: Simplify right side
    42,118.92x = 1,479,761,081.57
  5. Step 5: Solve for x
    x = 1,479,761,081.57/42,118.92
  6. Step 6: Final answer
    x = 35,132.93

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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.