Home / 108,704.04-163,024.44-42,129.30

Finding the Fourth Proportional to 108,704.04, 163,024.44 and 42,129.30

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Solution

The fourth proportional to 108,704.04, 163,024.44 and 42,129.30 is: 63,181.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,704.04 : 163,024.44 = 42,129.30 : x
  2. Step 2: Convert to fraction form
    108,704.04/163,024.44 = 42,129.30/x
  3. Step 3: Cross multiply
    108,704.04x = 163,024.44 × 42,129.30
  4. Step 4: Simplify right side
    108,704.04x = 6,868,105,540.09
  5. Step 5: Solve for x
    x = 6,868,105,540.09/108,704.04
  6. Step 6: Final answer
    x = 63,181.70

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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.