Home / 42,295.41-63,443.11-12,713.27

Finding the Fourth Proportional to 42,295.41, 63,443.11 and 12,713.27

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Solution

The fourth proportional to 42,295.41, 63,443.11 and 12,713.27 is: 19,069.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,295.41 : 63,443.11 = 12,713.27 : x
  2. Step 2: Convert to fraction form
    42,295.41/63,443.11 = 12,713.27/x
  3. Step 3: Cross multiply
    42,295.41x = 63,443.11 × 12,713.27
  4. Step 4: Simplify right side
    42,295.41x = 806,569,387.07
  5. Step 5: Solve for x
    x = 806,569,387.07/42,295.41
  6. Step 6: Final answer
    x = 19,069.90

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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.