Home / 99,016.50-136,651.41-54,313.14

Finding the Fourth Proportional to 99,016.50, 136,651.41 and 54,313.14

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Solution

The fourth proportional to 99,016.50, 136,651.41 and 54,313.14 is: 74,956.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,016.50 : 136,651.41 = 54,313.14 : x
  2. Step 2: Convert to fraction form
    99,016.50/136,651.41 = 54,313.14/x
  3. Step 3: Cross multiply
    99,016.50x = 136,651.41 × 54,313.14
  4. Step 4: Simplify right side
    99,016.50x = 7,421,967,162.53
  5. Step 5: Solve for x
    x = 7,421,967,162.53/99,016.50
  6. Step 6: Final answer
    x = 74,956.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.