Home / 108,862.23-163,339.65-52,744.15

Finding the Fourth Proportional to 108,862.23, 163,339.65 and 52,744.15

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Solution

The fourth proportional to 108,862.23, 163,339.65 and 52,744.15 is: 79,138.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,862.23 : 163,339.65 = 52,744.15 : x
  2. Step 2: Convert to fraction form
    108,862.23/163,339.65 = 52,744.15/x
  3. Step 3: Cross multiply
    108,862.23x = 163,339.65 × 52,744.15
  4. Step 4: Simplify right side
    108,862.23x = 8,615,211,000.55
  5. Step 5: Solve for x
    x = 8,615,211,000.55/108,862.23
  6. Step 6: Final answer
    x = 79,138.66

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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.