Home / 42,247.46-63,371.04-10,657.61

Finding the Fourth Proportional to 42,247.46, 63,371.04 and 10,657.61

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Solution

The fourth proportional to 42,247.46, 63,371.04 and 10,657.61 is: 15,986.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,247.46 : 63,371.04 = 10,657.61 : x
  2. Step 2: Convert to fraction form
    42,247.46/63,371.04 = 10,657.61/x
  3. Step 3: Cross multiply
    42,247.46x = 63,371.04 × 10,657.61
  4. Step 4: Simplify right side
    42,247.46x = 675,383,829.61
  5. Step 5: Solve for x
    x = 675,383,829.61/42,247.46
  6. Step 6: Final answer
    x = 15,986.38

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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.