Home / 55,411.41-83,129.49-22,147.14

Finding the Fourth Proportional to 55,411.41, 83,129.49 and 22,147.14

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Solution

The fourth proportional to 55,411.41, 83,129.49 and 22,147.14 is: 33,225.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,411.41 : 83,129.49 = 22,147.14 : x
  2. Step 2: Convert to fraction form
    55,411.41/83,129.49 = 22,147.14/x
  3. Step 3: Cross multiply
    55,411.41x = 83,129.49 × 22,147.14
  4. Step 4: Simplify right side
    55,411.41x = 1,841,080,453.16
  5. Step 5: Solve for x
    x = 1,841,080,453.16/55,411.41
  6. Step 6: Final answer
    x = 33,225.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.