Home / 73,942.75-102,041.04-40,408.75

Finding the Fourth Proportional to 73,942.75, 102,041.04 and 40,408.75

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Solution

The fourth proportional to 73,942.75, 102,041.04 and 40,408.75 is: 55,764.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,942.75 : 102,041.04 = 40,408.75 : x
  2. Step 2: Convert to fraction form
    73,942.75/102,041.04 = 40,408.75/x
  3. Step 3: Cross multiply
    73,942.75x = 102,041.04 × 40,408.75
  4. Step 4: Simplify right side
    73,942.75x = 4,123,350,875.10
  5. Step 5: Solve for x
    x = 4,123,350,875.10/73,942.75
  6. Step 6: Final answer
    x = 55,764.10

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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.