Home / 43,157.72-64,752.17-15,081.92

Finding the Fourth Proportional to 43,157.72, 64,752.17 and 15,081.92

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Solution

The fourth proportional to 43,157.72, 64,752.17 and 15,081.92 is: 22,628.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,157.72 : 64,752.17 = 15,081.92 : x
  2. Step 2: Convert to fraction form
    43,157.72/64,752.17 = 15,081.92/x
  3. Step 3: Cross multiply
    43,157.72x = 64,752.17 × 15,081.92
  4. Step 4: Simplify right side
    43,157.72x = 976,587,047.77
  5. Step 5: Solve for x
    x = 976,587,047.77/43,157.72
  6. Step 6: Final answer
    x = 22,628.33

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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.