Home / 69,217.78-95,518.55-39,002.55

Finding the Fourth Proportional to 69,217.78, 95,518.55 and 39,002.55

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Solution

The fourth proportional to 69,217.78, 95,518.55 and 39,002.55 is: 53,822.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,217.78 : 95,518.55 = 39,002.55 : x
  2. Step 2: Convert to fraction form
    69,217.78/95,518.55 = 39,002.55/x
  3. Step 3: Cross multiply
    69,217.78x = 95,518.55 × 39,002.55
  4. Step 4: Simplify right side
    69,217.78x = 3,725,466,827.29
  5. Step 5: Solve for x
    x = 3,725,466,827.29/69,217.78
  6. Step 6: Final answer
    x = 53,822.40

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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.