Home / 69,997.12-104,904.96-28,421.44

Finding the Fourth Proportional to 69,997.12, 104,904.96 and 28,421.44

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Solution

The fourth proportional to 69,997.12, 104,904.96 and 28,421.44 is: 42,595.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,997.12 : 104,904.96 = 28,421.44 : x
  2. Step 2: Convert to fraction form
    69,997.12/104,904.96 = 28,421.44/x
  3. Step 3: Cross multiply
    69,997.12x = 104,904.96 × 28,421.44
  4. Step 4: Simplify right side
    69,997.12x = 2,981,550,026.34
  5. Step 5: Solve for x
    x = 2,981,550,026.34/69,997.12
  6. Step 6: Final answer
    x = 42,595.32

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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.