Home / 79,937.28-110,344.86-52,709.04

Finding the Fourth Proportional to 79,937.28, 110,344.86 and 52,709.04

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Solution

The fourth proportional to 79,937.28, 110,344.86 and 52,709.04 is: 72,759.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,937.28 : 110,344.86 = 52,709.04 : x
  2. Step 2: Convert to fraction form
    79,937.28/110,344.86 = 52,709.04/x
  3. Step 3: Cross multiply
    79,937.28x = 110,344.86 × 52,709.04
  4. Step 4: Simplify right side
    79,937.28x = 5,816,171,639.53
  5. Step 5: Solve for x
    x = 5,816,171,639.53/79,937.28
  6. Step 6: Final answer
    x = 72,759.19

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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.