Home / 81,283.32-112,171.02-45,473.34

Finding the Fourth Proportional to 81,283.32, 112,171.02 and 45,473.34

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Solution

The fourth proportional to 81,283.32, 112,171.02 and 45,473.34 is: 62,753.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,283.32 : 112,171.02 = 45,473.34 : x
  2. Step 2: Convert to fraction form
    81,283.32/112,171.02 = 45,473.34/x
  3. Step 3: Cross multiply
    81,283.32x = 112,171.02 × 45,473.34
  4. Step 4: Simplify right side
    81,283.32x = 5,100,790,930.61
  5. Step 5: Solve for x
    x = 5,100,790,930.61/81,283.32
  6. Step 6: Final answer
    x = 62,753.23

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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.