Home / 99,166.41-136,845.59-53,842.64

Finding the Fourth Proportional to 99,166.41, 136,845.59 and 53,842.64

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Solution

The fourth proportional to 99,166.41, 136,845.59 and 53,842.64 is: 74,300.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,166.41 : 136,845.59 = 53,842.64 : x
  2. Step 2: Convert to fraction form
    99,166.41/136,845.59 = 53,842.64/x
  3. Step 3: Cross multiply
    99,166.41x = 136,845.59 × 53,842.64
  4. Step 4: Simplify right side
    99,166.41x = 7,368,126,884.52
  5. Step 5: Solve for x
    x = 7,368,126,884.52/99,166.41
  6. Step 6: Final answer
    x = 74,300.63

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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.