Home / 71,114.19-106,671.42-18,523.59

Finding the Fourth Proportional to 71,114.19, 106,671.42 and 18,523.59

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Solution

The fourth proportional to 71,114.19, 106,671.42 and 18,523.59 is: 27,785.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,114.19 : 106,671.42 = 18,523.59 : x
  2. Step 2: Convert to fraction form
    71,114.19/106,671.42 = 18,523.59/x
  3. Step 3: Cross multiply
    71,114.19x = 106,671.42 × 18,523.59
  4. Step 4: Simplify right side
    71,114.19x = 1,975,937,648.80
  5. Step 5: Solve for x
    x = 1,975,937,648.80/71,114.19
  6. Step 6: Final answer
    x = 27,785.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.