Home / 55,967.16-77,234.22-30,815.80

Finding the Fourth Proportional to 55,967.16, 77,234.22 and 30,815.80

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Solution

The fourth proportional to 55,967.16, 77,234.22 and 30,815.80 is: 42,525.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,967.16 : 77,234.22 = 30,815.80 : x
  2. Step 2: Convert to fraction form
    55,967.16/77,234.22 = 30,815.80/x
  3. Step 3: Cross multiply
    55,967.16x = 77,234.22 × 30,815.80
  4. Step 4: Simplify right side
    55,967.16x = 2,380,034,276.68
  5. Step 5: Solve for x
    x = 2,380,034,276.68/55,967.16
  6. Step 6: Final answer
    x = 42,525.55

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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.