Home / 56,939.17-78,585.67-33,079.69

Finding the Fourth Proportional to 56,939.17, 78,585.67 and 33,079.69

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Solution

The fourth proportional to 56,939.17, 78,585.67 and 33,079.69 is: 45,655.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,939.17 : 78,585.67 = 33,079.69 : x
  2. Step 2: Convert to fraction form
    56,939.17/78,585.67 = 33,079.69/x
  3. Step 3: Cross multiply
    56,939.17x = 78,585.67 × 33,079.69
  4. Step 4: Simplify right side
    56,939.17x = 2,599,589,508.95
  5. Step 5: Solve for x
    x = 2,599,589,508.95/56,939.17
  6. Step 6: Final answer
    x = 45,655.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.