Home / 78,571.42-108,431.02-44,581.34

Finding the Fourth Proportional to 78,571.42, 108,431.02 and 44,581.34

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Solution

The fourth proportional to 78,571.42, 108,431.02 and 44,581.34 is: 61,523.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,571.42 : 108,431.02 = 44,581.34 : x
  2. Step 2: Convert to fraction form
    78,571.42/108,431.02 = 44,581.34/x
  3. Step 3: Cross multiply
    78,571.42x = 108,431.02 × 44,581.34
  4. Step 4: Simplify right side
    78,571.42x = 4,834,000,169.17
  5. Step 5: Solve for x
    x = 4,834,000,169.17/78,571.42
  6. Step 6: Final answer
    x = 61,523.65

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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.