Home / 96,840.86-133,651.80-54,399.20

Finding the Fourth Proportional to 96,840.86, 133,651.80 and 54,399.20

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Solution

The fourth proportional to 96,840.86, 133,651.80 and 54,399.20 is: 75,077.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,840.86 : 133,651.80 = 54,399.20 : x
  2. Step 2: Convert to fraction form
    96,840.86/133,651.80 = 54,399.20/x
  3. Step 3: Cross multiply
    96,840.86x = 133,651.80 × 54,399.20
  4. Step 4: Simplify right side
    96,840.86x = 7,270,550,998.56
  5. Step 5: Solve for x
    x = 7,270,550,998.56/96,840.86
  6. Step 6: Final answer
    x = 75,077.31

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1.5x scale

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.