Home / 99,257.29-136,975.93-53,935.27

Finding the Fourth Proportional to 99,257.29, 136,975.93 and 53,935.27

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Solution

The fourth proportional to 99,257.29, 136,975.93 and 53,935.27 is: 74,431.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,257.29 : 136,975.93 = 53,935.27 : x
  2. Step 2: Convert to fraction form
    99,257.29/136,975.93 = 53,935.27/x
  3. Step 3: Cross multiply
    99,257.29x = 136,975.93 × 53,935.27
  4. Step 4: Simplify right side
    99,257.29x = 7,387,833,768.05
  5. Step 5: Solve for x
    x = 7,387,833,768.05/99,257.29
  6. Step 6: Final answer
    x = 74,431.15

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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.