Home / 67,725.28-93,466.56-39,432.88

Finding the Fourth Proportional to 67,725.28, 93,466.56 and 39,432.88

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Solution

The fourth proportional to 67,725.28, 93,466.56 and 39,432.88 is: 54,420.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,725.28 : 93,466.56 = 39,432.88 : x
  2. Step 2: Convert to fraction form
    67,725.28/93,466.56 = 39,432.88/x
  3. Step 3: Cross multiply
    67,725.28x = 93,466.56 × 39,432.88
  4. Step 4: Simplify right side
    67,725.28x = 3,685,655,644.49
  5. Step 5: Solve for x
    x = 3,685,655,644.49/67,725.28
  6. Step 6: Final answer
    x = 54,420.68

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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.