Home / 79,379.19-109,526.18-45,825.75

Finding the Fourth Proportional to 79,379.19, 109,526.18 and 45,825.75

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Solution

The fourth proportional to 79,379.19, 109,526.18 and 45,825.75 is: 63,229.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,379.19 : 109,526.18 = 45,825.75 : x
  2. Step 2: Convert to fraction form
    79,379.19/109,526.18 = 45,825.75/x
  3. Step 3: Cross multiply
    79,379.19x = 109,526.18 × 45,825.75
  4. Step 4: Simplify right side
    79,379.19x = 5,019,119,114.01
  5. Step 5: Solve for x
    x = 5,019,119,114.01/79,379.19
  6. Step 6: Final answer
    x = 63,229.66

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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.