Home / 55,585.31-83,366.87-20,045.66

Finding the Fourth Proportional to 55,585.31, 83,366.87 and 20,045.66

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Solution

The fourth proportional to 55,585.31, 83,366.87 and 20,045.66 is: 30,064.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,585.31 : 83,366.87 = 20,045.66 : x
  2. Step 2: Convert to fraction form
    55,585.31/83,366.87 = 20,045.66/x
  3. Step 3: Cross multiply
    55,585.31x = 83,366.87 × 20,045.66
  4. Step 4: Simplify right side
    55,585.31x = 1,671,143,414.22
  5. Step 5: Solve for x
    x = 1,671,143,414.22/55,585.31
  6. Step 6: Final answer
    x = 30,064.48

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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.