Home / 88,014.38-121,507.04-67,974.98

Finding the Fourth Proportional to 88,014.38, 121,507.04 and 67,974.98

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Solution

The fourth proportional to 88,014.38, 121,507.04 and 67,974.98 is: 93,841.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,014.38 : 121,507.04 = 67,974.98 : x
  2. Step 2: Convert to fraction form
    88,014.38/121,507.04 = 67,974.98/x
  3. Step 3: Cross multiply
    88,014.38x = 121,507.04 × 67,974.98
  4. Step 4: Simplify right side
    88,014.38x = 8,259,438,613.86
  5. Step 5: Solve for x
    x = 8,259,438,613.86/88,014.38
  6. Step 6: Final answer
    x = 93,841.92

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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.