Home / 58,979.34-81,449.33-50,432.11

Finding the Fourth Proportional to 58,979.34, 81,449.33 and 50,432.11

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Solution

The fourth proportional to 58,979.34, 81,449.33 and 50,432.11 is: 69,645.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,979.34 : 81,449.33 = 50,432.11 : x
  2. Step 2: Convert to fraction form
    58,979.34/81,449.33 = 50,432.11/x
  3. Step 3: Cross multiply
    58,979.34x = 81,449.33 × 50,432.11
  4. Step 4: Simplify right side
    58,979.34x = 4,107,661,114.20
  5. Step 5: Solve for x
    x = 4,107,661,114.20/58,979.34
  6. Step 6: Final answer
    x = 69,645.76

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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.