Home / 79,028.13-109,058.80-43,218.17

Finding the Fourth Proportional to 79,028.13, 109,058.80 and 43,218.17

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Solution

The fourth proportional to 79,028.13, 109,058.80 and 43,218.17 is: 59,641.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,028.13 : 109,058.80 = 43,218.17 : x
  2. Step 2: Convert to fraction form
    79,028.13/109,058.80 = 43,218.17/x
  3. Step 3: Cross multiply
    79,028.13x = 109,058.80 × 43,218.17
  4. Step 4: Simplify right side
    79,028.13x = 4,713,321,758.40
  5. Step 5: Solve for x
    x = 4,713,321,758.40/79,028.13
  6. Step 6: Final answer
    x = 59,641.06

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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.