Home / 98,488.18-147,732.27-45,934.42

Finding the Fourth Proportional to 98,488.18, 147,732.27 and 45,934.42

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Solution

The fourth proportional to 98,488.18, 147,732.27 and 45,934.42 is: 68,901.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,488.18 : 147,732.27 = 45,934.42 : x
  2. Step 2: Convert to fraction form
    98,488.18/147,732.27 = 45,934.42/x
  3. Step 3: Cross multiply
    98,488.18x = 147,732.27 × 45,934.42
  4. Step 4: Simplify right side
    98,488.18x = 6,785,996,137.73
  5. Step 5: Solve for x
    x = 6,785,996,137.73/98,488.18
  6. Step 6: Final answer
    x = 68,901.63

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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.