Home / 100,524.24-150,783.12-30,397.68

Finding the Fourth Proportional to 100,524.24, 150,783.12 and 30,397.68

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Solution

The fourth proportional to 100,524.24, 150,783.12 and 30,397.68 is: 45,595.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,524.24 : 150,783.12 = 30,397.68 : x
  2. Step 2: Convert to fraction form
    100,524.24/150,783.12 = 30,397.68/x
  3. Step 3: Cross multiply
    100,524.24x = 150,783.12 × 30,397.68
  4. Step 4: Simplify right side
    100,524.24x = 4,583,457,031.16
  5. Step 5: Solve for x
    x = 4,583,457,031.16/100,524.24
  6. Step 6: Final answer
    x = 45,595.54

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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.