Home / 88,000.16-121,429.14-50,276.84

Finding the Fourth Proportional to 88,000.16, 121,429.14 and 50,276.84

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Solution

The fourth proportional to 88,000.16, 121,429.14 and 50,276.84 is: 69,375.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,000.16 : 121,429.14 = 50,276.84 : x
  2. Step 2: Convert to fraction form
    88,000.16/121,429.14 = 50,276.84/x
  3. Step 3: Cross multiply
    88,000.16x = 121,429.14 × 50,276.84
  4. Step 4: Simplify right side
    88,000.16x = 6,105,073,443.12
  5. Step 5: Solve for x
    x = 6,105,073,443.12/88,000.16
  6. Step 6: Final answer
    x = 69,375.71

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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.