Home / 79,452.72-109,529.28-55,505.07

Finding the Fourth Proportional to 79,452.72, 109,529.28 and 55,505.07

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Solution

The fourth proportional to 79,452.72, 109,529.28 and 55,505.07 is: 76,516.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,452.72 : 109,529.28 = 55,505.07 : x
  2. Step 2: Convert to fraction form
    79,452.72/109,529.28 = 55,505.07/x
  3. Step 3: Cross multiply
    79,452.72x = 109,529.28 × 55,505.07
  4. Step 4: Simplify right side
    79,452.72x = 6,079,430,353.45
  5. Step 5: Solve for x
    x = 6,079,430,353.45/79,452.72
  6. Step 6: Final answer
    x = 76,516.33

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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.