Home / 99,150.99-136,828.53-53,828.97

Finding the Fourth Proportional to 99,150.99, 136,828.53 and 53,828.97

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Solution

The fourth proportional to 99,150.99, 136,828.53 and 53,828.97 is: 74,284.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,150.99 : 136,828.53 = 53,828.97 : x
  2. Step 2: Convert to fraction form
    99,150.99/136,828.53 = 53,828.97/x
  3. Step 3: Cross multiply
    99,150.99x = 136,828.53 × 53,828.97
  4. Step 4: Simplify right side
    99,150.99x = 7,365,338,836.51
  5. Step 5: Solve for x
    x = 7,365,338,836.51/99,150.99
  6. Step 6: Final answer
    x = 74,284.07

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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.