Home / 56,650.17-78,187.02-32,790

Finding the Fourth Proportional to 56,650.17, 78,187.02 and 32,790

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Solution

The fourth proportional to 56,650.17, 78,187.02 and 32,790 is: 45,255.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,650.17 : 78,187.02 = 32,790 : x
  2. Step 2: Convert to fraction form
    56,650.17/78,187.02 = 32,790/x
  3. Step 3: Cross multiply
    56,650.17x = 78,187.02 × 32,790
  4. Step 4: Simplify right side
    56,650.17x = 2,563,752,385.80
  5. Step 5: Solve for x
    x = 2,563,752,385.80/56,650.17
  6. Step 6: Final answer
    x = 45,255.86

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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.