Home / 75,171.04-112,763.20-19,767.04

Finding the Fourth Proportional to 75,171.04, 112,763.20 and 19,767.04

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Solution

The fourth proportional to 75,171.04, 112,763.20 and 19,767.04 is: 29,652.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,171.04 : 112,763.20 = 19,767.04 : x
  2. Step 2: Convert to fraction form
    75,171.04/112,763.20 = 19,767.04/x
  3. Step 3: Cross multiply
    75,171.04x = 112,763.20 × 19,767.04
  4. Step 4: Simplify right side
    75,171.04x = 2,228,994,684.93
  5. Step 5: Solve for x
    x = 2,228,994,684.93/75,171.04
  6. Step 6: Final answer
    x = 29,652.31

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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.