Home / 76,335.12-114,510.24-26,408.16

Finding the Fourth Proportional to 76,335.12, 114,510.24 and 26,408.16

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Solution

The fourth proportional to 76,335.12, 114,510.24 and 26,408.16 is: 39,614.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,335.12 : 114,510.24 = 26,408.16 : x
  2. Step 2: Convert to fraction form
    76,335.12/114,510.24 = 26,408.16/x
  3. Step 3: Cross multiply
    76,335.12x = 114,510.24 × 26,408.16
  4. Step 4: Simplify right side
    76,335.12x = 3,024,004,739.56
  5. Step 5: Solve for x
    x = 3,024,004,739.56/76,335.12
  6. Step 6: Final answer
    x = 39,614.86

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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.