Home / 99,238.84-136,950.28-53,917.25

Finding the Fourth Proportional to 99,238.84, 136,950.28 and 53,917.25

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Solution

The fourth proportional to 99,238.84, 136,950.28 and 53,917.25 is: 74,406.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,238.84 : 136,950.28 = 53,917.25 : x
  2. Step 2: Convert to fraction form
    99,238.84/136,950.28 = 53,917.25/x
  3. Step 3: Cross multiply
    99,238.84x = 136,950.28 × 53,917.25
  4. Step 4: Simplify right side
    99,238.84x = 7,383,981,664.79
  5. Step 5: Solve for x
    x = 7,383,981,664.79/99,238.84
  6. Step 6: Final answer
    x = 74,406.17

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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.