Home / 69,807.11-104,648.40-25,402.82

Finding the Fourth Proportional to 69,807.11, 104,648.40 and 25,402.82

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Solution

The fourth proportional to 69,807.11, 104,648.40 and 25,402.82 is: 38,081.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,807.11 : 104,648.40 = 25,402.82 : x
  2. Step 2: Convert to fraction form
    69,807.11/104,648.40 = 25,402.82/x
  3. Step 3: Cross multiply
    69,807.11x = 104,648.40 × 25,402.82
  4. Step 4: Simplify right side
    69,807.11x = 2,658,363,945.25
  5. Step 5: Solve for x
    x = 2,658,363,945.25/69,807.11
  6. Step 6: Final answer
    x = 38,081.57

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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.