Home / 87,184.64-120,314.88-48,938.84

Finding the Fourth Proportional to 87,184.64, 120,314.88 and 48,938.84

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Solution

The fourth proportional to 87,184.64, 120,314.88 and 48,938.84 is: 67,535.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,184.64 : 120,314.88 = 48,938.84 : x
  2. Step 2: Convert to fraction form
    87,184.64/120,314.88 = 48,938.84/x
  3. Step 3: Cross multiply
    87,184.64x = 120,314.88 × 48,938.84
  4. Step 4: Simplify right side
    87,184.64x = 5,888,070,661.94
  5. Step 5: Solve for x
    x = 5,888,070,661.94/87,184.64
  6. Step 6: Final answer
    x = 67,535.64

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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.