Home / 118,795.48-163,937.46-65,080.60

Finding the Fourth Proportional to 118,795.48, 163,937.46 and 65,080.60

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Solution

The fourth proportional to 118,795.48, 163,937.46 and 65,080.60 is: 89,811.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,795.48 : 163,937.46 = 65,080.60 : x
  2. Step 2: Convert to fraction form
    118,795.48/163,937.46 = 65,080.60/x
  3. Step 3: Cross multiply
    118,795.48x = 163,937.46 × 65,080.60
  4. Step 4: Simplify right side
    118,795.48x = 10,669,148,259.28
  5. Step 5: Solve for x
    x = 10,669,148,259.28/118,795.48
  6. Step 6: Final answer
    x = 89,811.06

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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.