Home / 73,600.13-110,401.28-21,009.65

Finding the Fourth Proportional to 73,600.13, 110,401.28 and 21,009.65

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Solution

The fourth proportional to 73,600.13, 110,401.28 and 21,009.65 is: 31,514.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,600.13 : 110,401.28 = 21,009.65 : x
  2. Step 2: Convert to fraction form
    73,600.13/110,401.28 = 21,009.65/x
  3. Step 3: Cross multiply
    73,600.13x = 110,401.28 × 21,009.65
  4. Step 4: Simplify right side
    73,600.13x = 2,319,492,252.35
  5. Step 5: Solve for x
    x = 2,319,492,252.35/73,600.13
  6. Step 6: Final answer
    x = 31,514.78

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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.