Home / 42,508.86-63,761.67-11,343.84

Finding the Fourth Proportional to 42,508.86, 63,761.67 and 11,343.84

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Solution

The fourth proportional to 42,508.86, 63,761.67 and 11,343.84 is: 17,015.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,508.86 : 63,761.67 = 11,343.84 : x
  2. Step 2: Convert to fraction form
    42,508.86/63,761.67 = 11,343.84/x
  3. Step 3: Cross multiply
    42,508.86x = 63,761.67 × 11,343.84
  4. Step 4: Simplify right side
    42,508.86x = 723,302,182.61
  5. Step 5: Solve for x
    x = 723,302,182.61/42,508.86
  6. Step 6: Final answer
    x = 17,015.33

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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.