Home / 108,297.24-162,477-54,987.12

Finding the Fourth Proportional to 108,297.24, 162,477 and 54,987.12

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Solution

The fourth proportional to 108,297.24, 162,477 and 54,987.12 is: 82,496.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,297.24 : 162,477 = 54,987.12 : x
  2. Step 2: Convert to fraction form
    108,297.24/162,477 = 54,987.12/x
  3. Step 3: Cross multiply
    108,297.24x = 162,477 × 54,987.12
  4. Step 4: Simplify right side
    108,297.24x = 8,934,142,296.24
  5. Step 5: Solve for x
    x = 8,934,142,296.24/108,297.24
  6. Step 6: Final answer
    x = 82,496.49

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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.