Home / 55,657.10-76,807.02-30,163.52

Finding the Fourth Proportional to 55,657.10, 76,807.02 and 30,163.52

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Solution

The fourth proportional to 55,657.10, 76,807.02 and 30,163.52 is: 41,625.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,657.10 : 76,807.02 = 30,163.52 : x
  2. Step 2: Convert to fraction form
    55,657.10/76,807.02 = 30,163.52/x
  3. Step 3: Cross multiply
    55,657.10x = 76,807.02 × 30,163.52
  4. Step 4: Simplify right side
    55,657.10x = 2,316,770,083.91
  5. Step 5: Solve for x
    x = 2,316,770,083.91/55,657.10
  6. Step 6: Final answer
    x = 41,625.78

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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.