Home / 84,355.40-126,534.54-25,191.74

Finding the Fourth Proportional to 84,355.40, 126,534.54 and 25,191.74

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Solution

The fourth proportional to 84,355.40, 126,534.54 and 25,191.74 is: 37,788.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,355.40 : 126,534.54 = 25,191.74 : x
  2. Step 2: Convert to fraction form
    84,355.40/126,534.54 = 25,191.74/x
  3. Step 3: Cross multiply
    84,355.40x = 126,534.54 × 25,191.74
  4. Step 4: Simplify right side
    84,355.40x = 3,187,625,232.70
  5. Step 5: Solve for x
    x = 3,187,625,232.70/84,355.40
  6. Step 6: Final answer
    x = 37,788.04

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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.