Home / 55,108.98-82,632.34-50,406.93

Finding the Fourth Proportional to 55,108.98, 82,632.34 and 50,406.93

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Solution

The fourth proportional to 55,108.98, 82,632.34 and 50,406.93 is: 75,581.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,108.98 : 82,632.34 = 50,406.93 : x
  2. Step 2: Convert to fraction form
    55,108.98/82,632.34 = 50,406.93/x
  3. Step 3: Cross multiply
    55,108.98x = 82,632.34 × 50,406.93
  4. Step 4: Simplify right side
    55,108.98x = 4,165,242,578.12
  5. Step 5: Solve for x
    x = 4,165,242,578.12/55,108.98
  6. Step 6: Final answer
    x = 75,581.92

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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.