Home / 118,914.81-164,103.75-67,934.28

Finding the Fourth Proportional to 118,914.81, 164,103.75 and 67,934.28

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Solution

The fourth proportional to 118,914.81, 164,103.75 and 67,934.28 is: 93,750.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,914.81 : 164,103.75 = 67,934.28 : x
  2. Step 2: Convert to fraction form
    118,914.81/164,103.75 = 67,934.28/x
  3. Step 3: Cross multiply
    118,914.81x = 164,103.75 × 67,934.28
  4. Step 4: Simplify right side
    118,914.81x = 11,148,270,101.55
  5. Step 5: Solve for x
    x = 11,148,270,101.55/118,914.81
  6. Step 6: Final answer
    x = 93,750.06

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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.