Home / 69,869.29-96,416.42-38,038.11

Finding the Fourth Proportional to 69,869.29, 96,416.42 and 38,038.11

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Solution

The fourth proportional to 69,869.29, 96,416.42 and 38,038.11 is: 52,490.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,869.29 : 96,416.42 = 38,038.11 : x
  2. Step 2: Convert to fraction form
    69,869.29/96,416.42 = 38,038.11/x
  3. Step 3: Cross multiply
    69,869.29x = 96,416.42 × 38,038.11
  4. Step 4: Simplify right side
    69,869.29x = 3,667,497,907.68
  5. Step 5: Solve for x
    x = 3,667,497,907.68/69,869.29
  6. Step 6: Final answer
    x = 52,490.85

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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.