Home / 118,888.75-164,066.48-68,587.75

Finding the Fourth Proportional to 118,888.75, 164,066.48 and 68,587.75

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Solution

The fourth proportional to 118,888.75, 164,066.48 and 68,587.75 is: 94,651.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,888.75 : 164,066.48 = 68,587.75 : x
  2. Step 2: Convert to fraction form
    118,888.75/164,066.48 = 68,587.75/x
  3. Step 3: Cross multiply
    118,888.75x = 164,066.48 × 68,587.75
  4. Step 4: Simplify right side
    118,888.75x = 11,252,950,713.62
  5. Step 5: Solve for x
    x = 11,252,950,713.62/118,888.75
  6. Step 6: Final answer
    x = 94,651.10

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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.