Home / 56,608.06-78,112.92-32,731.12

Finding the Fourth Proportional to 56,608.06, 78,112.92 and 32,731.12

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Solution

The fourth proportional to 56,608.06, 78,112.92 and 32,731.12 is: 45,165.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,608.06 : 78,112.92 = 32,731.12 : x
  2. Step 2: Convert to fraction form
    56,608.06/78,112.92 = 32,731.12/x
  3. Step 3: Cross multiply
    56,608.06x = 78,112.92 × 32,731.12
  4. Step 4: Simplify right side
    56,608.06x = 2,556,723,358.07
  5. Step 5: Solve for x
    x = 2,556,723,358.07/56,608.06
  6. Step 6: Final answer
    x = 45,165.36

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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.