Home / 79,698.07-109,983.33-43,888

Finding the Fourth Proportional to 79,698.07, 109,983.33 and 43,888

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Solution

The fourth proportional to 79,698.07, 109,983.33 and 43,888 is: 60,565.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,698.07 : 109,983.33 = 43,888 : x
  2. Step 2: Convert to fraction form
    79,698.07/109,983.33 = 43,888/x
  3. Step 3: Cross multiply
    79,698.07x = 109,983.33 × 43,888
  4. Step 4: Simplify right side
    79,698.07x = 4,826,948,387.04
  5. Step 5: Solve for x
    x = 4,826,948,387.04/79,698.07
  6. Step 6: Final answer
    x = 60,565.44

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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.