Home / 67,555.68-93,231.12-38,885.04

Finding the Fourth Proportional to 67,555.68, 93,231.12 and 38,885.04

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Solution

The fourth proportional to 67,555.68, 93,231.12 and 38,885.04 is: 53,663.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,555.68 : 93,231.12 = 38,885.04 : x
  2. Step 2: Convert to fraction form
    67,555.68/93,231.12 = 38,885.04/x
  3. Step 3: Cross multiply
    67,555.68x = 93,231.12 × 38,885.04
  4. Step 4: Simplify right side
    67,555.68x = 3,625,295,830.44
  5. Step 5: Solve for x
    x = 3,625,295,830.44/67,555.68
  6. Step 6: Final answer
    x = 53,663.82

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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.