Home / 80,525.04-120,713.04-30,590.16

Finding the Fourth Proportional to 80,525.04, 120,713.04 and 30,590.16

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Solution

The fourth proportional to 80,525.04, 120,713.04 and 30,590.16 is: 45,856.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,525.04 : 120,713.04 = 30,590.16 : x
  2. Step 2: Convert to fraction form
    80,525.04/120,713.04 = 30,590.16/x
  3. Step 3: Cross multiply
    80,525.04x = 120,713.04 × 30,590.16
  4. Step 4: Simplify right side
    80,525.04x = 3,692,631,207.69
  5. Step 5: Solve for x
    x = 3,692,631,207.69/80,525.04
  6. Step 6: Final answer
    x = 45,856.93

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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.