Home / 75,990.12-113,908.63-36,525.70

Finding the Fourth Proportional to 75,990.12, 113,908.63 and 36,525.70

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Solution

The fourth proportional to 75,990.12, 113,908.63 and 36,525.70 is: 54,751.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,990.12 : 113,908.63 = 36,525.70 : x
  2. Step 2: Convert to fraction form
    75,990.12/113,908.63 = 36,525.70/x
  3. Step 3: Cross multiply
    75,990.12x = 113,908.63 × 36,525.70
  4. Step 4: Simplify right side
    75,990.12x = 4,160,592,566.35
  5. Step 5: Solve for x
    x = 4,160,592,566.35/75,990.12
  6. Step 6: Final answer
    x = 54,751.76

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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.