Home / 108,875.38-163,311.62-52,720.52

Finding the Fourth Proportional to 108,875.38, 163,311.62 and 52,720.52

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Solution

The fourth proportional to 108,875.38, 163,311.62 and 52,720.52 is: 79,080.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,875.38 : 163,311.62 = 52,720.52 : x
  2. Step 2: Convert to fraction form
    108,875.38/163,311.62 = 52,720.52/x
  3. Step 3: Cross multiply
    108,875.38x = 163,311.62 × 52,720.52
  4. Step 4: Simplify right side
    108,875.38x = 8,609,873,528.44
  5. Step 5: Solve for x
    x = 8,609,873,528.44/108,875.38
  6. Step 6: Final answer
    x = 79,080.08

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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.