Home / 75,960.60-113,947.38-19,808.16

Finding the Fourth Proportional to 75,960.60, 113,947.38 and 19,808.16

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Solution

The fourth proportional to 75,960.60, 113,947.38 and 19,808.16 is: 29,713.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,960.60 : 113,947.38 = 19,808.16 : x
  2. Step 2: Convert to fraction form
    75,960.60/113,947.38 = 19,808.16/x
  3. Step 3: Cross multiply
    75,960.60x = 113,947.38 × 19,808.16
  4. Step 4: Simplify right side
    75,960.60x = 2,257,087,934.62
  5. Step 5: Solve for x
    x = 2,257,087,934.62/75,960.60
  6. Step 6: Final answer
    x = 29,713.93

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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.