Home / 59,965.31-89,947.97-18,412.31

Finding the Fourth Proportional to 59,965.31, 89,947.97 and 18,412.31

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Solution

The fourth proportional to 59,965.31, 89,947.97 and 18,412.31 is: 27,618.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,965.31 : 89,947.97 = 18,412.31 : x
  2. Step 2: Convert to fraction form
    59,965.31/89,947.97 = 18,412.31/x
  3. Step 3: Cross multiply
    59,965.31x = 89,947.97 × 18,412.31
  4. Step 4: Simplify right side
    59,965.31x = 1,656,150,109.37
  5. Step 5: Solve for x
    x = 1,656,150,109.37/59,965.31
  6. Step 6: Final answer
    x = 27,618.47

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.