Home / 69,655.32-96,121.62-39,442.32

Finding the Fourth Proportional to 69,655.32, 96,121.62 and 39,442.32

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Solution

The fourth proportional to 69,655.32, 96,121.62 and 39,442.32 is: 54,428.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,655.32 : 96,121.62 = 39,442.32 : x
  2. Step 2: Convert to fraction form
    69,655.32/96,121.62 = 39,442.32/x
  3. Step 3: Cross multiply
    69,655.32x = 96,121.62 × 39,442.32
  4. Step 4: Simplify right side
    69,655.32x = 3,791,259,694.96
  5. Step 5: Solve for x
    x = 3,791,259,694.96/69,655.32
  6. Step 6: Final answer
    x = 54,428.86

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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.