Home / 75,972.24-113,981.40-53,828.28

Finding the Fourth Proportional to 75,972.24, 113,981.40 and 53,828.28

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Solution

The fourth proportional to 75,972.24, 113,981.40 and 53,828.28 is: 80,758.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,972.24 : 113,981.40 = 53,828.28 : x
  2. Step 2: Convert to fraction form
    75,972.24/113,981.40 = 53,828.28/x
  3. Step 3: Cross multiply
    75,972.24x = 113,981.40 × 53,828.28
  4. Step 4: Simplify right side
    75,972.24x = 6,135,422,713.99
  5. Step 5: Solve for x
    x = 6,135,422,713.99/75,972.24
  6. Step 6: Final answer
    x = 80,758.74

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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.