Home / 83,538.64-125,322.36-44,128.72

Finding the Fourth Proportional to 83,538.64, 125,322.36 and 44,128.72

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Solution

The fourth proportional to 83,538.64, 125,322.36 and 44,128.72 is: 66,200.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,538.64 : 125,322.36 = 44,128.72 : x
  2. Step 2: Convert to fraction form
    83,538.64/125,322.36 = 44,128.72/x
  3. Step 3: Cross multiply
    83,538.64x = 125,322.36 × 44,128.72
  4. Step 4: Simplify right side
    83,538.64x = 5,530,315,334.18
  5. Step 5: Solve for x
    x = 5,530,315,334.18/83,538.64
  6. Step 6: Final answer
    x = 66,200.69

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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.