Home / 113,966.04-170,883-54,720.84

Finding the Fourth Proportional to 113,966.04, 170,883 and 54,720.84

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Solution

The fourth proportional to 113,966.04, 170,883 and 54,720.84 is: 82,049.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,966.04 : 170,883 = 54,720.84 : x
  2. Step 2: Convert to fraction form
    113,966.04/170,883 = 54,720.84/x
  3. Step 3: Cross multiply
    113,966.04x = 170,883 × 54,720.84
  4. Step 4: Simplify right side
    113,966.04x = 9,350,861,301.72
  5. Step 5: Solve for x
    x = 9,350,861,301.72/113,966.04
  6. Step 6: Final answer
    x = 82,049.54

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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.