Home / 73,027.50-100,778.72-40,765.16

Finding the Fourth Proportional to 73,027.50, 100,778.72 and 40,765.16

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Solution

The fourth proportional to 73,027.50, 100,778.72 and 40,765.16 is: 56,256.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,027.50 : 100,778.72 = 40,765.16 : x
  2. Step 2: Convert to fraction form
    73,027.50/100,778.72 = 40,765.16/x
  3. Step 3: Cross multiply
    73,027.50x = 100,778.72 × 40,765.16
  4. Step 4: Simplify right side
    73,027.50x = 4,108,259,937.68
  5. Step 5: Solve for x
    x = 4,108,259,937.68/73,027.50
  6. Step 6: Final answer
    x = 56,256.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.