Home / 69,912.10-96,478.05-38,080.72

Finding the Fourth Proportional to 69,912.10, 96,478.05 and 38,080.72

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Solution

The fourth proportional to 69,912.10, 96,478.05 and 38,080.72 is: 52,551.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,912.10 : 96,478.05 = 38,080.72 : x
  2. Step 2: Convert to fraction form
    69,912.10/96,478.05 = 38,080.72/x
  3. Step 3: Cross multiply
    69,912.10x = 96,478.05 × 38,080.72
  4. Step 4: Simplify right side
    69,912.10x = 3,673,953,608.20
  5. Step 5: Solve for x
    x = 3,673,953,608.20/69,912.10
  6. Step 6: Final answer
    x = 52,551.04

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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.