Home / 75,617.11-113,278.02-55,589.65

Finding the Fourth Proportional to 75,617.11, 113,278.02 and 55,589.65

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Solution

The fourth proportional to 75,617.11, 113,278.02 and 55,589.65 is: 83,275.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,617.11 : 113,278.02 = 55,589.65 : x
  2. Step 2: Convert to fraction form
    75,617.11/113,278.02 = 55,589.65/x
  3. Step 3: Cross multiply
    75,617.11x = 113,278.02 × 55,589.65
  4. Step 4: Simplify right side
    75,617.11x = 6,297,085,484.49
  5. Step 5: Solve for x
    x = 6,297,085,484.49/75,617.11
  6. Step 6: Final answer
    x = 83,275.93

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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.