Home / 118,581.42-163,640.07-64,866.27

Finding the Fourth Proportional to 118,581.42, 163,640.07 and 64,866.27

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Solution

The fourth proportional to 118,581.42, 163,640.07 and 64,866.27 is: 89,514.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,581.42 : 163,640.07 = 64,866.27 : x
  2. Step 2: Convert to fraction form
    118,581.42/163,640.07 = 64,866.27/x
  3. Step 3: Cross multiply
    118,581.42x = 163,640.07 × 64,866.27
  4. Step 4: Simplify right side
    118,581.42x = 10,614,720,963.44
  5. Step 5: Solve for x
    x = 10,614,720,963.44/118,581.42
  6. Step 6: Final answer
    x = 89,514.20

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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.