Home / 118,966.76-164,171.12-64,515.94

Finding the Fourth Proportional to 118,966.76, 164,171.12 and 64,515.94

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Solution

The fourth proportional to 118,966.76, 164,171.12 and 64,515.94 is: 89,030.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,966.76 : 164,171.12 = 64,515.94 : x
  2. Step 2: Convert to fraction form
    118,966.76/164,171.12 = 64,515.94/x
  3. Step 3: Cross multiply
    118,966.76x = 164,171.12 × 64,515.94
  4. Step 4: Simplify right side
    118,966.76x = 10,591,654,127.65
  5. Step 5: Solve for x
    x = 10,591,654,127.65/118,966.76
  6. Step 6: Final answer
    x = 89,030.37

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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.