Home / 90,934.20-136,401.30-24,384.60

Finding the Fourth Proportional to 90,934.20, 136,401.30 and 24,384.60

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Solution

The fourth proportional to 90,934.20, 136,401.30 and 24,384.60 is: 36,576.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,934.20 : 136,401.30 = 24,384.60 : x
  2. Step 2: Convert to fraction form
    90,934.20/136,401.30 = 24,384.60/x
  3. Step 3: Cross multiply
    90,934.20x = 136,401.30 × 24,384.60
  4. Step 4: Simplify right side
    90,934.20x = 3,326,091,139.98
  5. Step 5: Solve for x
    x = 3,326,091,139.98/90,934.20
  6. Step 6: Final answer
    x = 36,576.90

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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.