Home / 80,977.59-111,700.08-52,252.29

Finding the Fourth Proportional to 80,977.59, 111,700.08 and 52,252.29

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Solution

The fourth proportional to 80,977.59, 111,700.08 and 52,252.29 is: 72,076.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,977.59 : 111,700.08 = 52,252.29 : x
  2. Step 2: Convert to fraction form
    80,977.59/111,700.08 = 52,252.29/x
  3. Step 3: Cross multiply
    80,977.59x = 111,700.08 × 52,252.29
  4. Step 4: Simplify right side
    80,977.59x = 5,836,584,973.18
  5. Step 5: Solve for x
    x = 5,836,584,973.18/80,977.59
  6. Step 6: Final answer
    x = 72,076.55

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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.