Home / 81,036.97-111,836.63-45,233.95

Finding the Fourth Proportional to 81,036.97, 111,836.63 and 45,233.95

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Solution

The fourth proportional to 81,036.97, 111,836.63 and 45,233.95 is: 62,425.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,036.97 : 111,836.63 = 45,233.95 : x
  2. Step 2: Convert to fraction form
    81,036.97/111,836.63 = 45,233.95/x
  3. Step 3: Cross multiply
    81,036.97x = 111,836.63 × 45,233.95
  4. Step 4: Simplify right side
    81,036.97x = 5,058,812,529.59
  5. Step 5: Solve for x
    x = 5,058,812,529.59/81,036.97
  6. Step 6: Final answer
    x = 62,425.98

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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.