Home / 75,197.24-112,796.64-30,239.40

Finding the Fourth Proportional to 75,197.24, 112,796.64 and 30,239.40

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Solution

The fourth proportional to 75,197.24, 112,796.64 and 30,239.40 is: 45,359.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,197.24 : 112,796.64 = 30,239.40 : x
  2. Step 2: Convert to fraction form
    75,197.24/112,796.64 = 30,239.40/x
  3. Step 3: Cross multiply
    75,197.24x = 112,796.64 × 30,239.40
  4. Step 4: Simplify right side
    75,197.24x = 3,410,902,715.62
  5. Step 5: Solve for x
    x = 3,410,902,715.62/75,197.24
  6. Step 6: Final answer
    x = 45,359.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.