Home / 55,715.49-83,572.92-18,275.27

Finding the Fourth Proportional to 55,715.49, 83,572.92 and 18,275.27

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Solution

The fourth proportional to 55,715.49, 83,572.92 and 18,275.27 is: 27,412.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,715.49 : 83,572.92 = 18,275.27 : x
  2. Step 2: Convert to fraction form
    55,715.49/83,572.92 = 18,275.27/x
  3. Step 3: Cross multiply
    55,715.49x = 83,572.92 × 18,275.27
  4. Step 4: Simplify right side
    55,715.49x = 1,527,317,259.82
  5. Step 5: Solve for x
    x = 1,527,317,259.82/55,715.49
  6. Step 6: Final answer
    x = 27,412.79

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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.