Home / 69,992.16-96,589.10-38,161.05

Finding the Fourth Proportional to 69,992.16, 96,589.10 and 38,161.05

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Solution

The fourth proportional to 69,992.16, 96,589.10 and 38,161.05 is: 52,662.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,992.16 : 96,589.10 = 38,161.05 : x
  2. Step 2: Convert to fraction form
    69,992.16/96,589.10 = 38,161.05/x
  3. Step 3: Cross multiply
    69,992.16x = 96,589.10 × 38,161.05
  4. Step 4: Simplify right side
    69,992.16x = 3,685,941,283.75
  5. Step 5: Solve for x
    x = 3,685,941,283.75/69,992.16
  6. Step 6: Final answer
    x = 52,662.20

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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.