Home / 94,010.40-141,034.80-31,687.20

Finding the Fourth Proportional to 94,010.40, 141,034.80 and 31,687.20

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Solution

The fourth proportional to 94,010.40, 141,034.80 and 31,687.20 is: 47,537.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,010.40 : 141,034.80 = 31,687.20 : x
  2. Step 2: Convert to fraction form
    94,010.40/141,034.80 = 31,687.20/x
  3. Step 3: Cross multiply
    94,010.40x = 141,034.80 × 31,687.20
  4. Step 4: Simplify right side
    94,010.40x = 4,468,997,914.56
  5. Step 5: Solve for x
    x = 4,468,997,914.56/94,010.40
  6. Step 6: Final answer
    x = 47,537.27

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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.