Home / 69,104.61-95,372.10-38,897.28

Finding the Fourth Proportional to 69,104.61, 95,372.10 and 38,897.28

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Solution

The fourth proportional to 69,104.61, 95,372.10 and 38,897.28 is: 53,682.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,104.61 : 95,372.10 = 38,897.28 : x
  2. Step 2: Convert to fraction form
    69,104.61/95,372.10 = 38,897.28/x
  3. Step 3: Cross multiply
    69,104.61x = 95,372.10 × 38,897.28
  4. Step 4: Simplify right side
    69,104.61x = 3,709,715,277.89
  5. Step 5: Solve for x
    x = 3,709,715,277.89/69,104.61
  6. Step 6: Final answer
    x = 53,682.60

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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.