Home / 97,693.29-146,312.06-71,332.65

Finding the Fourth Proportional to 97,693.29, 146,312.06 and 71,332.65

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Solution

The fourth proportional to 97,693.29, 146,312.06 and 71,332.65 is: 106,832.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,693.29 : 146,312.06 = 71,332.65 : x
  2. Step 2: Convert to fraction form
    97,693.29/146,312.06 = 71,332.65/x
  3. Step 3: Cross multiply
    97,693.29x = 146,312.06 × 71,332.65
  4. Step 4: Simplify right side
    97,693.29x = 10,436,826,610.10
  5. Step 5: Solve for x
    x = 10,436,826,610.10/97,693.29
  6. Step 6: Final answer
    x = 106,832.58

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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.