Home / 67,652.20-93,360.36-39,358.90

Finding the Fourth Proportional to 67,652.20, 93,360.36 and 39,358.90

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Solution

The fourth proportional to 67,652.20, 93,360.36 and 39,358.90 is: 54,315.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,652.20 : 93,360.36 = 39,358.90 : x
  2. Step 2: Convert to fraction form
    67,652.20/93,360.36 = 39,358.90/x
  3. Step 3: Cross multiply
    67,652.20x = 93,360.36 × 39,358.90
  4. Step 4: Simplify right side
    67,652.20x = 3,674,561,073.20
  5. Step 5: Solve for x
    x = 3,674,561,073.20/67,652.20
  6. Step 6: Final answer
    x = 54,315.47

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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.