Home / 75,221.32-112,832.10-19,061.44

Finding the Fourth Proportional to 75,221.32, 112,832.10 and 19,061.44

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Solution

The fourth proportional to 75,221.32, 112,832.10 and 19,061.44 is: 28,592.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,221.32 : 112,832.10 = 19,061.44 : x
  2. Step 2: Convert to fraction form
    75,221.32/112,832.10 = 19,061.44/x
  3. Step 3: Cross multiply
    75,221.32x = 112,832.10 × 19,061.44
  4. Step 4: Simplify right side
    75,221.32x = 2,150,742,304.22
  5. Step 5: Solve for x
    x = 2,150,742,304.22/75,221.32
  6. Step 6: Final answer
    x = 28,592.19

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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.