Home / 56,422.70-77,827.92-36,305.72

Finding the Fourth Proportional to 56,422.70, 77,827.92 and 36,305.72

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Solution

The fourth proportional to 56,422.70, 77,827.92 and 36,305.72 is: 50,079.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,422.70 : 77,827.92 = 36,305.72 : x
  2. Step 2: Convert to fraction form
    56,422.70/77,827.92 = 36,305.72/x
  3. Step 3: Cross multiply
    56,422.70x = 77,827.92 × 36,305.72
  4. Step 4: Simplify right side
    56,422.70x = 2,825,598,671.70
  5. Step 5: Solve for x
    x = 2,825,598,671.70/56,422.70
  6. Step 6: Final answer
    x = 50,079.11

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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.