Home / 58,742.90-81,063.02-31,884.83

Finding the Fourth Proportional to 58,742.90, 81,063.02 and 31,884.83

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Solution

The fourth proportional to 58,742.90, 81,063.02 and 31,884.83 is: 43,999.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,742.90 : 81,063.02 = 31,884.83 : x
  2. Step 2: Convert to fraction form
    58,742.90/81,063.02 = 31,884.83/x
  3. Step 3: Cross multiply
    58,742.90x = 81,063.02 × 31,884.83
  4. Step 4: Simplify right side
    58,742.90x = 2,584,680,452.56
  5. Step 5: Solve for x
    x = 2,584,680,452.56/58,742.90
  6. Step 6: Final answer
    x = 43,999.88

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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.