Home / 75,934.28-114,147.28-70,455.84

Finding the Fourth Proportional to 75,934.28, 114,147.28 and 70,455.84

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Solution

The fourth proportional to 75,934.28, 114,147.28 and 70,455.84 is: 105,911.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,934.28 : 114,147.28 = 70,455.84 : x
  2. Step 2: Convert to fraction form
    75,934.28/114,147.28 = 70,455.84/x
  3. Step 3: Cross multiply
    75,934.28x = 114,147.28 × 70,455.84
  4. Step 4: Simplify right side
    75,934.28x = 8,042,342,496.12
  5. Step 5: Solve for x
    x = 8,042,342,496.12/75,934.28
  6. Step 6: Final answer
    x = 105,911.88

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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.