Home / 72,534.31-100,101.88-41,908.72

Finding the Fourth Proportional to 72,534.31, 100,101.88 and 41,908.72

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Solution

The fourth proportional to 72,534.31, 100,101.88 and 41,908.72 is: 57,836.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,534.31 : 100,101.88 = 41,908.72 : x
  2. Step 2: Convert to fraction form
    72,534.31/100,101.88 = 41,908.72/x
  3. Step 3: Cross multiply
    72,534.31x = 100,101.88 × 41,908.72
  4. Step 4: Simplify right side
    72,534.31x = 4,195,141,462.52
  5. Step 5: Solve for x
    x = 4,195,141,462.52/72,534.31
  6. Step 6: Final answer
    x = 57,836.65

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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.