Home / 90,668.21-136,002.11-24,108.35

Finding the Fourth Proportional to 90,668.21, 136,002.11 and 24,108.35

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Solution

The fourth proportional to 90,668.21, 136,002.11 and 24,108.35 is: 36,162.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,668.21 : 136,002.11 = 24,108.35 : x
  2. Step 2: Convert to fraction form
    90,668.21/136,002.11 = 24,108.35/x
  3. Step 3: Cross multiply
    90,668.21x = 136,002.11 × 24,108.35
  4. Step 4: Simplify right side
    90,668.21x = 3,278,785,668.07
  5. Step 5: Solve for x
    x = 3,278,785,668.07/90,668.21
  6. Step 6: Final answer
    x = 36,162.46

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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.