Home / 52,639.79-72,719.73-45,553.91

Finding the Fourth Proportional to 52,639.79, 72,719.73 and 45,553.91

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Solution

The fourth proportional to 52,639.79, 72,719.73 and 45,553.91 is: 62,930.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,639.79 : 72,719.73 = 45,553.91 : x
  2. Step 2: Convert to fraction form
    52,639.79/72,719.73 = 45,553.91/x
  3. Step 3: Cross multiply
    52,639.79x = 72,719.73 × 45,553.91
  4. Step 4: Simplify right side
    52,639.79x = 3,312,667,672.05
  5. Step 5: Solve for x
    x = 3,312,667,672.05/52,639.79
  6. Step 6: Final answer
    x = 62,930.87

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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.