Home / 90,760.56-136,053.20-46,408.16

Finding the Fourth Proportional to 90,760.56, 136,053.20 and 46,408.16

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Solution

The fourth proportional to 90,760.56, 136,053.20 and 46,408.16 is: 69,567.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,760.56 : 136,053.20 = 46,408.16 : x
  2. Step 2: Convert to fraction form
    90,760.56/136,053.20 = 46,408.16/x
  3. Step 3: Cross multiply
    90,760.56x = 136,053.20 × 46,408.16
  4. Step 4: Simplify right side
    90,760.56x = 6,313,978,674.11
  5. Step 5: Solve for x
    x = 6,313,978,674.11/90,760.56
  6. Step 6: Final answer
    x = 69,567.43

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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.