Home / 81,069.77-111,862.94-45,254.00

Finding the Fourth Proportional to 81,069.77, 111,862.94 and 45,254.00

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Solution

The fourth proportional to 81,069.77, 111,862.94 and 45,254.00 is: 62,443.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,069.77 : 111,862.94 = 45,254.00 : x
  2. Step 2: Convert to fraction form
    81,069.77/111,862.94 = 45,254.00/x
  3. Step 3: Cross multiply
    81,069.77x = 111,862.94 × 45,254.00
  4. Step 4: Simplify right side
    81,069.77x = 5,062,244,701.18
  5. Step 5: Solve for x
    x = 5,062,244,701.18/81,069.77
  6. Step 6: Final answer
    x = 62,443.07

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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.