Home / 99,033.91-136,684.26-58,769.86

Finding the Fourth Proportional to 99,033.91, 136,684.26 and 58,769.86

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Solution

The fourth proportional to 99,033.91, 136,684.26 and 58,769.86 is: 81,112.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,033.91 : 136,684.26 = 58,769.86 : x
  2. Step 2: Convert to fraction form
    99,033.91/136,684.26 = 58,769.86/x
  3. Step 3: Cross multiply
    99,033.91x = 136,684.26 × 58,769.86
  4. Step 4: Simplify right side
    99,033.91x = 8,032,914,824.40
  5. Step 5: Solve for x
    x = 8,032,914,824.40/99,033.91
  6. Step 6: Final answer
    x = 81,112.77

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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.