Home / 69,920.89-96,490.24-38,089.11

Finding the Fourth Proportional to 69,920.89, 96,490.24 and 38,089.11

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Solution

The fourth proportional to 69,920.89, 96,490.24 and 38,089.11 is: 52,562.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,920.89 : 96,490.24 = 38,089.11 : x
  2. Step 2: Convert to fraction form
    69,920.89/96,490.24 = 38,089.11/x
  3. Step 3: Cross multiply
    69,920.89x = 96,490.24 × 38,089.11
  4. Step 4: Simplify right side
    69,920.89x = 3,675,227,365.29
  5. Step 5: Solve for x
    x = 3,675,227,365.29/69,920.89
  6. Step 6: Final answer
    x = 52,562.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.