Home / 69,965.28-104,915.10-25,560.98

Finding the Fourth Proportional to 69,965.28, 104,915.10 and 25,560.98

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Solution

The fourth proportional to 69,965.28, 104,915.10 and 25,560.98 is: 38,329.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,965.28 : 104,915.10 = 25,560.98 : x
  2. Step 2: Convert to fraction form
    69,965.28/104,915.10 = 25,560.98/x
  3. Step 3: Cross multiply
    69,965.28x = 104,915.10 × 25,560.98
  4. Step 4: Simplify right side
    69,965.28x = 2,681,732,741.26
  5. Step 5: Solve for x
    x = 2,681,732,741.26/69,965.28
  6. Step 6: Final answer
    x = 38,329.48

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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.