Home / 98,022.86-147,020.39-31,454.38

Finding the Fourth Proportional to 98,022.86, 147,020.39 and 31,454.38

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Solution

The fourth proportional to 98,022.86, 147,020.39 and 31,454.38 is: 47,177.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,022.86 : 147,020.39 = 31,454.38 : x
  2. Step 2: Convert to fraction form
    98,022.86/147,020.39 = 31,454.38/x
  3. Step 3: Cross multiply
    98,022.86x = 147,020.39 × 31,454.38
  4. Step 4: Simplify right side
    98,022.86x = 4,624,434,620.74
  5. Step 5: Solve for x
    x = 4,624,434,620.74/98,022.86
  6. Step 6: Final answer
    x = 47,177.10

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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.