Home / 99,233.86-136,942.91-53,911.47

Finding the Fourth Proportional to 99,233.86, 136,942.91 and 53,911.47

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Solution

The fourth proportional to 99,233.86, 136,942.91 and 53,911.47 is: 74,397.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,233.86 : 136,942.91 = 53,911.47 : x
  2. Step 2: Convert to fraction form
    99,233.86/136,942.91 = 53,911.47/x
  3. Step 3: Cross multiply
    99,233.86x = 136,942.91 × 53,911.47
  4. Step 4: Simplify right side
    99,233.86x = 7,382,793,584.18
  5. Step 5: Solve for x
    x = 7,382,793,584.18/99,233.86
  6. Step 6: Final answer
    x = 74,397.93

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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.