Home / 73,046.23-100,803.40-40,778.98

Finding the Fourth Proportional to 73,046.23, 100,803.40 and 40,778.98

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Solution

The fourth proportional to 73,046.23, 100,803.40 and 40,778.98 is: 56,274.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,046.23 : 100,803.40 = 40,778.98 : x
  2. Step 2: Convert to fraction form
    73,046.23/100,803.40 = 40,778.98/x
  3. Step 3: Cross multiply
    73,046.23x = 100,803.40 × 40,778.98
  4. Step 4: Simplify right side
    73,046.23x = 4,110,659,961.19
  5. Step 5: Solve for x
    x = 4,110,659,961.19/73,046.23
  6. Step 6: Final answer
    x = 56,274.77

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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.