Home / 69,072.64-95,312.52-38,857.34

Finding the Fourth Proportional to 69,072.64, 95,312.52 and 38,857.34

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Solution

The fourth proportional to 69,072.64, 95,312.52 and 38,857.34 is: 53,618.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,072.64 : 95,312.52 = 38,857.34 : x
  2. Step 2: Convert to fraction form
    69,072.64/95,312.52 = 38,857.34/x
  3. Step 3: Cross multiply
    69,072.64x = 95,312.52 × 38,857.34
  4. Step 4: Simplify right side
    69,072.64x = 3,703,590,995.90
  5. Step 5: Solve for x
    x = 3,703,590,995.90/69,072.64
  6. Step 6: Final answer
    x = 53,618.78

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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.