Home / 56,341.80-77,751.92-30,850.53

Finding the Fourth Proportional to 56,341.80, 77,751.92 and 30,850.53

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Solution

The fourth proportional to 56,341.80, 77,751.92 and 30,850.53 is: 42,573.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,341.80 : 77,751.92 = 30,850.53 : x
  2. Step 2: Convert to fraction form
    56,341.80/77,751.92 = 30,850.53/x
  3. Step 3: Cross multiply
    56,341.80x = 77,751.92 × 30,850.53
  4. Step 4: Simplify right side
    56,341.80x = 2,398,687,786.26
  5. Step 5: Solve for x
    x = 2,398,687,786.26/56,341.80
  6. Step 6: Final answer
    x = 42,573.86

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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.