Home / 84,591.90-116,671.47-54,380.34

Finding the Fourth Proportional to 84,591.90, 116,671.47 and 54,380.34

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Solution

The fourth proportional to 84,591.90, 116,671.47 and 54,380.34 is: 75,002.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,591.90 : 116,671.47 = 54,380.34 : x
  2. Step 2: Convert to fraction form
    84,591.90/116,671.47 = 54,380.34/x
  3. Step 3: Cross multiply
    84,591.90x = 116,671.47 × 54,380.34
  4. Step 4: Simplify right side
    84,591.90x = 6,344,634,206.90
  5. Step 5: Solve for x
    x = 6,344,634,206.90/84,591.90
  6. Step 6: Final answer
    x = 75,002.86

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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.