Home / 108,912.97-163,306.02-42,275.25

Finding the Fourth Proportional to 108,912.97, 163,306.02 and 42,275.25

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Solution

The fourth proportional to 108,912.97, 163,306.02 and 42,275.25 is: 63,388.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,912.97 : 163,306.02 = 42,275.25 : x
  2. Step 2: Convert to fraction form
    108,912.97/163,306.02 = 42,275.25/x
  3. Step 3: Cross multiply
    108,912.97x = 163,306.02 × 42,275.25
  4. Step 4: Simplify right side
    108,912.97x = 6,903,802,822.01
  5. Step 5: Solve for x
    x = 6,903,802,822.01/108,912.97
  6. Step 6: Final answer
    x = 63,388.25

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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.