Home / 90,739.68-136,109.37-24,180.06

Finding the Fourth Proportional to 90,739.68, 136,109.37 and 24,180.06

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Solution

The fourth proportional to 90,739.68, 136,109.37 and 24,180.06 is: 36,270.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,739.68 : 136,109.37 = 24,180.06 : x
  2. Step 2: Convert to fraction form
    90,739.68/136,109.37 = 24,180.06/x
  3. Step 3: Cross multiply
    90,739.68x = 136,109.37 × 24,180.06
  4. Step 4: Simplify right side
    90,739.68x = 3,291,132,733.16
  5. Step 5: Solve for x
    x = 3,291,132,733.16/90,739.68
  6. Step 6: Final answer
    x = 36,270.05

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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.