Home / 69,116.72-95,374.31-38,901.51

Finding the Fourth Proportional to 69,116.72, 95,374.31 and 38,901.51

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Solution

The fourth proportional to 69,116.72, 95,374.31 and 38,901.51 is: 53,680.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,116.72 : 95,374.31 = 38,901.51 : x
  2. Step 2: Convert to fraction form
    69,116.72/95,374.31 = 38,901.51/x
  3. Step 3: Cross multiply
    69,116.72x = 95,374.31 × 38,901.51
  4. Step 4: Simplify right side
    69,116.72x = 3,710,204,479.70
  5. Step 5: Solve for x
    x = 3,710,204,479.70/69,116.72
  6. Step 6: Final answer
    x = 53,680.28

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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.