Home / 79,037.02-109,177.59-63,234.46

Finding the Fourth Proportional to 79,037.02, 109,177.59 and 63,234.46

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Solution

The fourth proportional to 79,037.02, 109,177.59 and 63,234.46 is: 87,348.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,037.02 : 109,177.59 = 63,234.46 : x
  2. Step 2: Convert to fraction form
    79,037.02/109,177.59 = 63,234.46/x
  3. Step 3: Cross multiply
    79,037.02x = 109,177.59 × 63,234.46
  4. Step 4: Simplify right side
    79,037.02x = 6,903,785,947.75
  5. Step 5: Solve for x
    x = 6,903,785,947.75/79,037.02
  6. Step 6: Final answer
    x = 87,348.76

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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.