Home / 69,659.32-96,179.94-42,837.88

Finding the Fourth Proportional to 69,659.32, 96,179.94 and 42,837.88

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Solution

The fourth proportional to 69,659.32, 96,179.94 and 42,837.88 is: 59,147.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,659.32 : 96,179.94 = 42,837.88 : x
  2. Step 2: Convert to fraction form
    69,659.32/96,179.94 = 42,837.88/x
  3. Step 3: Cross multiply
    69,659.32x = 96,179.94 × 42,837.88
  4. Step 4: Simplify right side
    69,659.32x = 4,120,144,728.13
  5. Step 5: Solve for x
    x = 4,120,144,728.13/69,659.32
  6. Step 6: Final answer
    x = 59,147.07

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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.