Home / 108,685.92-163,029.53-49,480.19

Finding the Fourth Proportional to 108,685.92, 163,029.53 and 49,480.19

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Solution

The fourth proportional to 108,685.92, 163,029.53 and 49,480.19 is: 74,220.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,685.92 : 163,029.53 = 49,480.19 : x
  2. Step 2: Convert to fraction form
    108,685.92/163,029.53 = 49,480.19/x
  3. Step 3: Cross multiply
    108,685.92x = 163,029.53 × 49,480.19
  4. Step 4: Simplify right side
    108,685.92x = 8,066,732,120.01
  5. Step 5: Solve for x
    x = 8,066,732,120.01/108,685.92
  6. Step 6: Final answer
    x = 74,220.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.