Home / 118,757.23-163,886.75-65,047.26

Finding the Fourth Proportional to 118,757.23, 163,886.75 and 65,047.26

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Solution

The fourth proportional to 118,757.23, 163,886.75 and 65,047.26 is: 89,766.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,757.23 : 163,886.75 = 65,047.26 : x
  2. Step 2: Convert to fraction form
    118,757.23/163,886.75 = 65,047.26/x
  3. Step 3: Cross multiply
    118,757.23x = 163,886.75 × 65,047.26
  4. Step 4: Simplify right side
    118,757.23x = 10,660,384,037.81
  5. Step 5: Solve for x
    x = 10,660,384,037.81/118,757.23
  6. Step 6: Final answer
    x = 89,766.19

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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.