Home / 108,997.73-163,429.68-42,360.05

Finding the Fourth Proportional to 108,997.73, 163,429.68 and 42,360.05

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Solution

The fourth proportional to 108,997.73, 163,429.68 and 42,360.05 is: 63,514.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,997.73 : 163,429.68 = 42,360.05 : x
  2. Step 2: Convert to fraction form
    108,997.73/163,429.68 = 42,360.05/x
  3. Step 3: Cross multiply
    108,997.73x = 163,429.68 × 42,360.05
  4. Step 4: Simplify right side
    108,997.73x = 6,922,889,416.28
  5. Step 5: Solve for x
    x = 6,922,889,416.28/108,997.73
  6. Step 6: Final answer
    x = 63,514.07

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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.