Home / 90,389.57-135,585.17-23,839.16

Finding the Fourth Proportional to 90,389.57, 135,585.17 and 23,839.16

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Solution

The fourth proportional to 90,389.57, 135,585.17 and 23,839.16 is: 35,758.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,389.57 : 135,585.17 = 23,839.16 : x
  2. Step 2: Convert to fraction form
    90,389.57/135,585.17 = 23,839.16/x
  3. Step 3: Cross multiply
    90,389.57x = 135,585.17 × 23,839.16
  4. Step 4: Simplify right side
    90,389.57x = 3,232,236,442.06
  5. Step 5: Solve for x
    x = 3,232,236,442.06/90,389.57
  6. Step 6: Final answer
    x = 35,758.95

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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.