Home / 118,716.30-163,844.10-67,717.35

Finding the Fourth Proportional to 118,716.30, 163,844.10 and 67,717.35

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Solution

The fourth proportional to 118,716.30, 163,844.10 and 67,717.35 is: 93,458.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,716.30 : 163,844.10 = 67,717.35 : x
  2. Step 2: Convert to fraction form
    118,716.30/163,844.10 = 67,717.35/x
  3. Step 3: Cross multiply
    118,716.30x = 163,844.10 × 67,717.35
  4. Step 4: Simplify right side
    118,716.30x = 11,095,088,265.14
  5. Step 5: Solve for x
    x = 11,095,088,265.14/118,716.30
  6. Step 6: Final answer
    x = 93,458.84

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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.