Home / 45,207.76-62,353.48-31,061.20

Finding the Fourth Proportional to 45,207.76, 62,353.48 and 31,061.20

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Solution

The fourth proportional to 45,207.76, 62,353.48 and 31,061.20 is: 42,841.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,207.76 : 62,353.48 = 31,061.20 : x
  2. Step 2: Convert to fraction form
    45,207.76/62,353.48 = 31,061.20/x
  3. Step 3: Cross multiply
    45,207.76x = 62,353.48 × 31,061.20
  4. Step 4: Simplify right side
    45,207.76x = 1,936,773,912.98
  5. Step 5: Solve for x
    x = 1,936,773,912.98/45,207.76
  6. Step 6: Final answer
    x = 42,841.63

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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.