Home / 75,966.46-113,974.29-36,518.45

Finding the Fourth Proportional to 75,966.46, 113,974.29 and 36,518.45

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Solution

The fourth proportional to 75,966.46, 113,974.29 and 36,518.45 is: 54,789.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,966.46 : 113,974.29 = 36,518.45 : x
  2. Step 2: Convert to fraction form
    75,966.46/113,974.29 = 36,518.45/x
  3. Step 3: Cross multiply
    75,966.46x = 113,974.29 × 36,518.45
  4. Step 4: Simplify right side
    75,966.46x = 4,162,163,840.78
  5. Step 5: Solve for x
    x = 4,162,163,840.78/75,966.46
  6. Step 6: Final answer
    x = 54,789.49

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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.