Home / 63,307.13-87,375.51-40,674.41

Finding the Fourth Proportional to 63,307.13, 87,375.51 and 40,674.41

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Solution

The fourth proportional to 63,307.13, 87,375.51 and 40,674.41 is: 56,138.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,307.13 : 87,375.51 = 40,674.41 : x
  2. Step 2: Convert to fraction form
    63,307.13/87,375.51 = 40,674.41/x
  3. Step 3: Cross multiply
    63,307.13x = 87,375.51 × 40,674.41
  4. Step 4: Simplify right side
    63,307.13x = 3,553,947,317.70
  5. Step 5: Solve for x
    x = 3,553,947,317.70/63,307.13
  6. Step 6: Final answer
    x = 56,138.18

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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.