Home / 69,162.02-95,442.64-38,947.70

Finding the Fourth Proportional to 69,162.02, 95,442.64 and 38,947.70

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Solution

The fourth proportional to 69,162.02, 95,442.64 and 38,947.70 is: 53,747.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,162.02 : 95,442.64 = 38,947.70 : x
  2. Step 2: Convert to fraction form
    69,162.02/95,442.64 = 38,947.70/x
  3. Step 3: Cross multiply
    69,162.02x = 95,442.64 × 38,947.70
  4. Step 4: Simplify right side
    69,162.02x = 3,717,271,309.93
  5. Step 5: Solve for x
    x = 3,717,271,309.93/69,162.02
  6. Step 6: Final answer
    x = 53,747.29

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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.