Home / 79,145.46-109,220.74-43,337.66

Finding the Fourth Proportional to 79,145.46, 109,220.74 and 43,337.66

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Solution

The fourth proportional to 79,145.46, 109,220.74 and 43,337.66 is: 59,805.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,145.46 : 109,220.74 = 43,337.66 : x
  2. Step 2: Convert to fraction form
    79,145.46/109,220.74 = 43,337.66/x
  3. Step 3: Cross multiply
    79,145.46x = 109,220.74 × 43,337.66
  4. Step 4: Simplify right side
    79,145.46x = 4,733,371,295.07
  5. Step 5: Solve for x
    x = 4,733,371,295.07/79,145.46
  6. Step 6: Final answer
    x = 59,805.97

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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.