Home / 61,717.14-92,701.46-40,687.31

Finding the Fourth Proportional to 61,717.14, 92,701.46 and 40,687.31

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Solution

The fourth proportional to 61,717.14, 92,701.46 and 40,687.31 is: 61,113.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,717.14 : 92,701.46 = 40,687.31 : x
  2. Step 2: Convert to fraction form
    61,717.14/92,701.46 = 40,687.31/x
  3. Step 3: Cross multiply
    61,717.14x = 92,701.46 × 40,687.31
  4. Step 4: Simplify right side
    61,717.14x = 3,771,773,373.94
  5. Step 5: Solve for x
    x = 3,771,773,373.94/61,717.14
  6. Step 6: Final answer
    x = 61,113.87

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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.