Home / 55,276.83-76,280.00-30,125.79

Finding the Fourth Proportional to 55,276.83, 76,280.00 and 30,125.79

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Solution

The fourth proportional to 55,276.83, 76,280.00 and 30,125.79 is: 41,572.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,276.83 : 76,280.00 = 30,125.79 : x
  2. Step 2: Convert to fraction form
    55,276.83/76,280.00 = 30,125.79/x
  3. Step 3: Cross multiply
    55,276.83x = 76,280.00 × 30,125.79
  4. Step 4: Simplify right side
    55,276.83x = 2,297,995,110.57
  5. Step 5: Solve for x
    x = 2,297,995,110.57/55,276.83
  6. Step 6: Final answer
    x = 41,572.48

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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.