Home / 108,871.76-163,244.07-42,234.02

Finding the Fourth Proportional to 108,871.76, 163,244.07 and 42,234.02

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Solution

The fourth proportional to 108,871.76, 163,244.07 and 42,234.02 is: 63,326.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,871.76 : 163,244.07 = 42,234.02 : x
  2. Step 2: Convert to fraction form
    108,871.76/163,244.07 = 42,234.02/x
  3. Step 3: Cross multiply
    108,871.76x = 163,244.07 × 42,234.02
  4. Step 4: Simplify right side
    108,871.76x = 6,894,452,501.04
  5. Step 5: Solve for x
    x = 6,894,452,501.04/108,871.76
  6. Step 6: Final answer
    x = 63,326.37

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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.