Home / 42,512.08-63,742.20-16,188.70

Finding the Fourth Proportional to 42,512.08, 63,742.20 and 16,188.70

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Solution

The fourth proportional to 42,512.08, 63,742.20 and 16,188.70 is: 24,273.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,512.08 : 63,742.20 = 16,188.70 : x
  2. Step 2: Convert to fraction form
    42,512.08/63,742.20 = 16,188.70/x
  3. Step 3: Cross multiply
    42,512.08x = 63,742.20 × 16,188.70
  4. Step 4: Simplify right side
    42,512.08x = 1,031,903,353.14
  5. Step 5: Solve for x
    x = 1,031,903,353.14/42,512.08
  6. Step 6: Final answer
    x = 24,273.18

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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.