Home / 59,559.20-89,348.56-20,118.72

Finding the Fourth Proportional to 59,559.20, 89,348.56 and 20,118.72

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Solution

The fourth proportional to 59,559.20, 89,348.56 and 20,118.72 is: 30,181.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,559.20 : 89,348.56 = 20,118.72 : x
  2. Step 2: Convert to fraction form
    59,559.20/89,348.56 = 20,118.72/x
  3. Step 3: Cross multiply
    59,559.20x = 89,348.56 × 20,118.72
  4. Step 4: Simplify right side
    59,559.20x = 1,797,578,661.04
  5. Step 5: Solve for x
    x = 1,797,578,661.04/59,559.20
  6. Step 6: Final answer
    x = 30,181.38

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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.