Home / 118,811.67-163,960.08-71,076.24

Finding the Fourth Proportional to 118,811.67, 163,960.08 and 71,076.24

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Solution

The fourth proportional to 118,811.67, 163,960.08 and 71,076.24 is: 98,085.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,811.67 : 163,960.08 = 71,076.24 : x
  2. Step 2: Convert to fraction form
    118,811.67/163,960.08 = 71,076.24/x
  3. Step 3: Cross multiply
    118,811.67x = 163,960.08 × 71,076.24
  4. Step 4: Simplify right side
    118,811.67x = 11,653,665,996.50
  5. Step 5: Solve for x
    x = 11,653,665,996.50/118,811.67
  6. Step 6: Final answer
    x = 98,085.20

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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.