Home / 90,717.67-136,078.38-33,012.95

Finding the Fourth Proportional to 90,717.67, 136,078.38 and 33,012.95

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Solution

The fourth proportional to 90,717.67, 136,078.38 and 33,012.95 is: 49,520.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,717.67 : 136,078.38 = 33,012.95 : x
  2. Step 2: Convert to fraction form
    90,717.67/136,078.38 = 33,012.95/x
  3. Step 3: Cross multiply
    90,717.67x = 136,078.38 × 33,012.95
  4. Step 4: Simplify right side
    90,717.67x = 4,492,348,074.63
  5. Step 5: Solve for x
    x = 4,492,348,074.63/90,717.67
  6. Step 6: Final answer
    x = 49,520.10

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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.