Home / 99,206.48-136,902.67-53,883.47

Finding the Fourth Proportional to 99,206.48, 136,902.67 and 53,883.47

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Solution

The fourth proportional to 99,206.48, 136,902.67 and 53,883.47 is: 74,357.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,206.48 : 136,902.67 = 53,883.47 : x
  2. Step 2: Convert to fraction form
    99,206.48/136,902.67 = 53,883.47/x
  3. Step 3: Cross multiply
    99,206.48x = 136,902.67 × 53,883.47
  4. Step 4: Simplify right side
    99,206.48x = 7,376,790,232.59
  5. Step 5: Solve for x
    x = 7,376,790,232.59/99,206.48
  6. Step 6: Final answer
    x = 74,357.95

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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.