Home / 96,991.27-145,486.92-30,436.72

Finding the Fourth Proportional to 96,991.27, 145,486.92 and 30,436.72

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Solution

The fourth proportional to 96,991.27, 145,486.92 and 30,436.72 is: 45,655.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,991.27 : 145,486.92 = 30,436.72 : x
  2. Step 2: Convert to fraction form
    96,991.27/145,486.92 = 30,436.72/x
  3. Step 3: Cross multiply
    96,991.27x = 145,486.92 × 30,436.72
  4. Step 4: Simplify right side
    96,991.27x = 4,428,144,647.70
  5. Step 5: Solve for x
    x = 4,428,144,647.70/96,991.27
  6. Step 6: Final answer
    x = 45,655.08

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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.