Home / 88,177.50-121,685.04-50,451.84

Finding the Fourth Proportional to 88,177.50, 121,685.04 and 50,451.84

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Solution

The fourth proportional to 88,177.50, 121,685.04 and 50,451.84 is: 69,623.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,177.50 : 121,685.04 = 50,451.84 : x
  2. Step 2: Convert to fraction form
    88,177.50/121,685.04 = 50,451.84/x
  3. Step 3: Cross multiply
    88,177.50x = 121,685.04 × 50,451.84
  4. Step 4: Simplify right side
    88,177.50x = 6,139,234,168.47
  5. Step 5: Solve for x
    x = 6,139,234,168.47/88,177.50
  6. Step 6: Final answer
    x = 69,623.59

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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.