Home / 79,049.53-109,087.05-43,239.22

Finding the Fourth Proportional to 79,049.53, 109,087.05 and 43,239.22

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Solution

The fourth proportional to 79,049.53, 109,087.05 and 43,239.22 is: 59,669.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,049.53 : 109,087.05 = 43,239.22 : x
  2. Step 2: Convert to fraction form
    79,049.53/109,087.05 = 43,239.22/x
  3. Step 3: Cross multiply
    79,049.53x = 109,087.05 × 43,239.22
  4. Step 4: Simplify right side
    79,049.53x = 4,716,838,954.10
  5. Step 5: Solve for x
    x = 4,716,838,954.10/79,049.53
  6. Step 6: Final answer
    x = 59,669.41

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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.