Home / 94,671.73-142,037.06-28,112.20

Finding the Fourth Proportional to 94,671.73, 142,037.06 and 28,112.20

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Solution

The fourth proportional to 94,671.73, 142,037.06 and 28,112.20 is: 42,177.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,671.73 : 142,037.06 = 28,112.20 : x
  2. Step 2: Convert to fraction form
    94,671.73/142,037.06 = 28,112.20/x
  3. Step 3: Cross multiply
    94,671.73x = 142,037.06 × 28,112.20
  4. Step 4: Simplify right side
    94,671.73x = 3,992,974,238.13
  5. Step 5: Solve for x
    x = 3,992,974,238.13/94,671.73
  6. Step 6: Final answer
    x = 42,177.05

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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.