Home / 79,935.12-110,309.04-45,943.20

Finding the Fourth Proportional to 79,935.12, 110,309.04 and 45,943.20

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Solution

The fourth proportional to 79,935.12, 110,309.04 and 45,943.20 is: 63,400.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,935.12 : 110,309.04 = 45,943.20 : x
  2. Step 2: Convert to fraction form
    79,935.12/110,309.04 = 45,943.20/x
  3. Step 3: Cross multiply
    79,935.12x = 110,309.04 × 45,943.20
  4. Step 4: Simplify right side
    79,935.12x = 5,067,950,286.53
  5. Step 5: Solve for x
    x = 5,067,950,286.53/79,935.12
  6. Step 6: Final answer
    x = 63,400.80

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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.