Home / 50,989.08-70,369.68-30,850.92

Finding the Fourth Proportional to 50,989.08, 70,369.68 and 30,850.92

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Solution

The fourth proportional to 50,989.08, 70,369.68 and 30,850.92 is: 42,577.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,989.08 : 70,369.68 = 30,850.92 : x
  2. Step 2: Convert to fraction form
    50,989.08/70,369.68 = 30,850.92/x
  3. Step 3: Cross multiply
    50,989.08x = 70,369.68 × 30,850.92
  4. Step 4: Simplify right side
    50,989.08x = 2,170,969,368.11
  5. Step 5: Solve for x
    x = 2,170,969,368.11/50,989.08
  6. Step 6: Final answer
    x = 42,577.14

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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.