Home / 99,108.54-136,769.88-53,786.53

Finding the Fourth Proportional to 99,108.54, 136,769.88 and 53,786.53

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Solution

The fourth proportional to 99,108.54, 136,769.88 and 53,786.53 is: 74,225.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,108.54 : 136,769.88 = 53,786.53 : x
  2. Step 2: Convert to fraction form
    99,108.54/136,769.88 = 53,786.53/x
  3. Step 3: Cross multiply
    99,108.54x = 136,769.88 × 53,786.53
  4. Step 4: Simplify right side
    99,108.54x = 7,356,377,253.72
  5. Step 5: Solve for x
    x = 7,356,377,253.72/99,108.54
  6. Step 6: Final answer
    x = 74,225.46

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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.