Home / 99,218.70-136,924.27-53,896.67

Finding the Fourth Proportional to 99,218.70, 136,924.27 and 53,896.67

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Solution

The fourth proportional to 99,218.70, 136,924.27 and 53,896.67 is: 74,378.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,218.70 : 136,924.27 = 53,896.67 : x
  2. Step 2: Convert to fraction form
    99,218.70/136,924.27 = 53,896.67/x
  3. Step 3: Cross multiply
    99,218.70x = 136,924.27 × 53,896.67
  4. Step 4: Simplify right side
    99,218.70x = 7,379,761,375.82
  5. Step 5: Solve for x
    x = 7,379,761,375.82/99,218.70
  6. Step 6: Final answer
    x = 74,378.73

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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.