Home / 97,920.12-146,891.52-35,605.20

Finding the Fourth Proportional to 97,920.12, 146,891.52 and 35,605.20

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Solution

The fourth proportional to 97,920.12, 146,891.52 and 35,605.20 is: 53,411.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,920.12 : 146,891.52 = 35,605.20 : x
  2. Step 2: Convert to fraction form
    97,920.12/146,891.52 = 35,605.20/x
  3. Step 3: Cross multiply
    97,920.12x = 146,891.52 × 35,605.20
  4. Step 4: Simplify right side
    97,920.12x = 5,230,101,947.90
  5. Step 5: Solve for x
    x = 5,230,101,947.90/97,920.12
  6. Step 6: Final answer
    x = 53,411.92

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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.