Home / 79,211.95-109,315.03-43,404.24

Finding the Fourth Proportional to 79,211.95, 109,315.03 and 43,404.24

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Solution

The fourth proportional to 79,211.95, 109,315.03 and 43,404.24 is: 59,899.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,211.95 : 109,315.03 = 43,404.24 : x
  2. Step 2: Convert to fraction form
    79,211.95/109,315.03 = 43,404.24/x
  3. Step 3: Cross multiply
    79,211.95x = 109,315.03 × 43,404.24
  4. Step 4: Simplify right side
    79,211.95x = 4,744,735,797.73
  5. Step 5: Solve for x
    x = 4,744,735,797.73/79,211.95
  6. Step 6: Final answer
    x = 59,899.24

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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.