Home / 84,591.21-126,886.91-25,426.88

Finding the Fourth Proportional to 84,591.21, 126,886.91 and 25,426.88

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Solution

The fourth proportional to 84,591.21, 126,886.91 and 25,426.88 is: 38,140.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,591.21 : 126,886.91 = 25,426.88 : x
  2. Step 2: Convert to fraction form
    84,591.21/126,886.91 = 25,426.88/x
  3. Step 3: Cross multiply
    84,591.21x = 126,886.91 × 25,426.88
  4. Step 4: Simplify right side
    84,591.21x = 3,226,338,265.92
  5. Step 5: Solve for x
    x = 3,226,338,265.92/84,591.21
  6. Step 6: Final answer
    x = 38,140.35

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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.