Home / 98,423.28-147,613.16-28,286.96

Finding the Fourth Proportional to 98,423.28, 147,613.16 and 28,286.96

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Solution

The fourth proportional to 98,423.28, 147,613.16 and 28,286.96 is: 42,424.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,423.28 : 147,613.16 = 28,286.96 : x
  2. Step 2: Convert to fraction form
    98,423.28/147,613.16 = 28,286.96/x
  3. Step 3: Cross multiply
    98,423.28x = 147,613.16 × 28,286.96
  4. Step 4: Simplify right side
    98,423.28x = 4,175,527,552.39
  5. Step 5: Solve for x
    x = 4,175,527,552.39/98,423.28
  6. Step 6: Final answer
    x = 42,424.19

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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.