Home / 70,726.27-106,111.32-24,515.90

Finding the Fourth Proportional to 70,726.27, 106,111.32 and 24,515.90

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Solution

The fourth proportional to 70,726.27, 106,111.32 and 24,515.90 is: 36,781.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,726.27 : 106,111.32 = 24,515.90 : x
  2. Step 2: Convert to fraction form
    70,726.27/106,111.32 = 24,515.90/x
  3. Step 3: Cross multiply
    70,726.27x = 106,111.32 × 24,515.90
  4. Step 4: Simplify right side
    70,726.27x = 2,601,414,436.11
  5. Step 5: Solve for x
    x = 2,601,414,436.11/70,726.27
  6. Step 6: Final answer
    x = 36,781.45

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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.