Home / 99,150.44-136,827.99-53,828.51

Finding the Fourth Proportional to 99,150.44, 136,827.99 and 53,828.51

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Solution

The fourth proportional to 99,150.44, 136,827.99 and 53,828.51 is: 74,283.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,150.44 : 136,827.99 = 53,828.51 : x
  2. Step 2: Convert to fraction form
    99,150.44/136,827.99 = 53,828.51/x
  3. Step 3: Cross multiply
    99,150.44x = 136,827.99 × 53,828.51
  4. Step 4: Simplify right side
    99,150.44x = 7,365,246,143.85
  5. Step 5: Solve for x
    x = 7,365,246,143.85/99,150.44
  6. Step 6: Final answer
    x = 74,283.55

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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.