Home / 99,151.75-136,783.64-58,842.60

Finding the Fourth Proportional to 99,151.75, 136,783.64 and 58,842.60

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Solution

The fourth proportional to 99,151.75, 136,783.64 and 58,842.60 is: 81,175.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,151.75 : 136,783.64 = 58,842.60 : x
  2. Step 2: Convert to fraction form
    99,151.75/136,783.64 = 58,842.60/x
  3. Step 3: Cross multiply
    99,151.75x = 136,783.64 × 58,842.60
  4. Step 4: Simplify right side
    99,151.75x = 8,048,705,087.65
  5. Step 5: Solve for x
    x = 8,048,705,087.65/99,151.75
  6. Step 6: Final answer
    x = 81,175.63

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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.