Home / 79,299.35-109,432.59-45,318.23

Finding the Fourth Proportional to 79,299.35, 109,432.59 and 45,318.23

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Solution

The fourth proportional to 79,299.35, 109,432.59 and 45,318.23 is: 62,538.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,299.35 : 109,432.59 = 45,318.23 : x
  2. Step 2: Convert to fraction form
    79,299.35/109,432.59 = 45,318.23/x
  3. Step 3: Cross multiply
    79,299.35x = 109,432.59 × 45,318.23
  4. Step 4: Simplify right side
    79,299.35x = 4,959,290,735.95
  5. Step 5: Solve for x
    x = 4,959,290,735.95/79,299.35
  6. Step 6: Final answer
    x = 62,538.86

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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.