Home / 72,076.53-99,456.34-40,246.77

Finding the Fourth Proportional to 72,076.53, 99,456.34 and 40,246.77

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Solution

The fourth proportional to 72,076.53, 99,456.34 and 40,246.77 is: 55,535.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,076.53 : 99,456.34 = 40,246.77 : x
  2. Step 2: Convert to fraction form
    72,076.53/99,456.34 = 40,246.77/x
  3. Step 3: Cross multiply
    72,076.53x = 99,456.34 × 40,246.77
  4. Step 4: Simplify right side
    72,076.53x = 4,002,796,239.79
  5. Step 5: Solve for x
    x = 4,002,796,239.79/72,076.53
  6. Step 6: Final answer
    x = 55,535.36

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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.