Home / 97,703.28-134,822.88-57,418.56

Finding the Fourth Proportional to 97,703.28, 134,822.88 and 57,418.56

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Solution

The fourth proportional to 97,703.28, 134,822.88 and 57,418.56 is: 79,233.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,703.28 : 134,822.88 = 57,418.56 : x
  2. Step 2: Convert to fraction form
    97,703.28/134,822.88 = 57,418.56/x
  3. Step 3: Cross multiply
    97,703.28x = 134,822.88 × 57,418.56
  4. Step 4: Simplify right side
    97,703.28x = 7,741,335,624.65
  5. Step 5: Solve for x
    x = 7,741,335,624.65/97,703.28
  6. Step 6: Final answer
    x = 79,233.12

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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.