Home / 79,945.16-110,280.65-55,707.73

Finding the Fourth Proportional to 79,945.16, 110,280.65 and 55,707.73

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Solution

The fourth proportional to 79,945.16, 110,280.65 and 55,707.73 is: 76,846.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,945.16 : 110,280.65 = 55,707.73 : x
  2. Step 2: Convert to fraction form
    79,945.16/110,280.65 = 55,707.73/x
  3. Step 3: Cross multiply
    79,945.16x = 110,280.65 × 55,707.73
  4. Step 4: Simplify right side
    79,945.16x = 6,143,484,120.18
  5. Step 5: Solve for x
    x = 6,143,484,120.18/79,945.16
  6. Step 6: Final answer
    x = 76,846.23

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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.