Home / 98,335.20-147,488.16-48,401.76

Finding the Fourth Proportional to 98,335.20, 147,488.16 and 48,401.76

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Solution

The fourth proportional to 98,335.20, 147,488.16 and 48,401.76 is: 72,595.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,335.20 : 147,488.16 = 48,401.76 : x
  2. Step 2: Convert to fraction form
    98,335.20/147,488.16 = 48,401.76/x
  3. Step 3: Cross multiply
    98,335.20x = 147,488.16 × 48,401.76
  4. Step 4: Simplify right side
    98,335.20x = 7,138,686,523.16
  5. Step 5: Solve for x
    x = 7,138,686,523.16/98,335.20
  6. Step 6: Final answer
    x = 72,595.43

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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.