Home / 56,642.48-78,163.62-32,769.55

Finding the Fourth Proportional to 56,642.48, 78,163.62 and 32,769.55

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Solution

The fourth proportional to 56,642.48, 78,163.62 and 32,769.55 is: 45,220.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,642.48 : 78,163.62 = 32,769.55 : x
  2. Step 2: Convert to fraction form
    56,642.48/78,163.62 = 32,769.55/x
  3. Step 3: Cross multiply
    56,642.48x = 78,163.62 × 32,769.55
  4. Step 4: Simplify right side
    56,642.48x = 2,561,386,653.77
  5. Step 5: Solve for x
    x = 2,561,386,653.77/56,642.48
  6. Step 6: Final answer
    x = 45,220.24

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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.