Home / 75,257.40-113,015.70-53,225.40

Finding the Fourth Proportional to 75,257.40, 113,015.70 and 53,225.40

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Solution

The fourth proportional to 75,257.40, 113,015.70 and 53,225.40 is: 79,929.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,257.40 : 113,015.70 = 53,225.40 : x
  2. Step 2: Convert to fraction form
    75,257.40/113,015.70 = 53,225.40/x
  3. Step 3: Cross multiply
    75,257.40x = 113,015.70 × 53,225.40
  4. Step 4: Simplify right side
    75,257.40x = 6,015,305,838.78
  5. Step 5: Solve for x
    x = 6,015,305,838.78/75,257.40
  6. Step 6: Final answer
    x = 79,929.76

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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.