Home / 81,947.36-113,098.32-47,966.24

Finding the Fourth Proportional to 81,947.36, 113,098.32 and 47,966.24

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Solution

The fourth proportional to 81,947.36, 113,098.32 and 47,966.24 is: 66,199.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,947.36 : 113,098.32 = 47,966.24 : x
  2. Step 2: Convert to fraction form
    81,947.36/113,098.32 = 47,966.24/x
  3. Step 3: Cross multiply
    81,947.36x = 113,098.32 × 47,966.24
  4. Step 4: Simplify right side
    81,947.36x = 5,424,901,160.72
  5. Step 5: Solve for x
    x = 5,424,901,160.72/81,947.36
  6. Step 6: Final answer
    x = 66,199.83

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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.