Home / 79,338.49-109,480.14-45,340.22

Finding the Fourth Proportional to 79,338.49, 109,480.14 and 45,340.22

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Solution

The fourth proportional to 79,338.49, 109,480.14 and 45,340.22 is: 62,565.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,338.49 : 109,480.14 = 45,340.22 : x
  2. Step 2: Convert to fraction form
    79,338.49/109,480.14 = 45,340.22/x
  3. Step 3: Cross multiply
    79,338.49x = 109,480.14 × 45,340.22
  4. Step 4: Simplify right side
    79,338.49x = 4,963,853,906.93
  5. Step 5: Solve for x
    x = 4,963,853,906.93/79,338.49
  6. Step 6: Final answer
    x = 62,565.52

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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.