Home / 75,817.32-104,672.10-50,358.12

Finding the Fourth Proportional to 75,817.32, 104,672.10 and 50,358.12

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Solution

The fourth proportional to 75,817.32, 104,672.10 and 50,358.12 is: 69,523.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,817.32 : 104,672.10 = 50,358.12 : x
  2. Step 2: Convert to fraction form
    75,817.32/104,672.10 = 50,358.12/x
  3. Step 3: Cross multiply
    75,817.32x = 104,672.10 × 50,358.12
  4. Step 4: Simplify right side
    75,817.32x = 5,271,090,172.45
  5. Step 5: Solve for x
    x = 5,271,090,172.45/75,817.32
  6. Step 6: Final answer
    x = 69,523.56

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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.