Home / 55,569.95-83,313.01-18,107.65

Finding the Fourth Proportional to 55,569.95, 83,313.01 and 18,107.65

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Solution

The fourth proportional to 55,569.95, 83,313.01 and 18,107.65 is: 27,147.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,569.95 : 83,313.01 = 18,107.65 : x
  2. Step 2: Convert to fraction form
    55,569.95/83,313.01 = 18,107.65/x
  3. Step 3: Cross multiply
    55,569.95x = 83,313.01 × 18,107.65
  4. Step 4: Simplify right side
    55,569.95x = 1,508,602,850.45
  5. Step 5: Solve for x
    x = 1,508,602,850.45/55,569.95
  6. Step 6: Final answer
    x = 27,147.82

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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.