Home / 78,722.56-108,633.04-44,726.33

Finding the Fourth Proportional to 78,722.56, 108,633.04 and 44,726.33

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Solution

The fourth proportional to 78,722.56, 108,633.04 and 44,726.33 is: 61,720.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,722.56 : 108,633.04 = 44,726.33 : x
  2. Step 2: Convert to fraction form
    78,722.56/108,633.04 = 44,726.33/x
  3. Step 3: Cross multiply
    78,722.56x = 108,633.04 × 44,726.33
  4. Step 4: Simplify right side
    78,722.56x = 4,858,756,652.78
  5. Step 5: Solve for x
    x = 4,858,756,652.78/78,722.56
  6. Step 6: Final answer
    x = 61,720.01

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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.