Home / 98,222.74-147,235.47-31,613.92

Finding the Fourth Proportional to 98,222.74, 147,235.47 and 31,613.92

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Solution

The fourth proportional to 98,222.74, 147,235.47 and 31,613.92 is: 47,389.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,222.74 : 147,235.47 = 31,613.92 : x
  2. Step 2: Convert to fraction form
    98,222.74/147,235.47 = 31,613.92/x
  3. Step 3: Cross multiply
    98,222.74x = 147,235.47 × 31,613.92
  4. Step 4: Simplify right side
    98,222.74x = 4,654,690,369.74
  5. Step 5: Solve for x
    x = 4,654,690,369.74/98,222.74
  6. Step 6: Final answer
    x = 47,389.13

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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.