Home / 90,513.90-135,549.18-63,794.16

Finding the Fourth Proportional to 90,513.90, 135,549.18 and 63,794.16

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Solution

The fourth proportional to 90,513.90, 135,549.18 and 63,794.16 is: 95,535.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,513.90 : 135,549.18 = 63,794.16 : x
  2. Step 2: Convert to fraction form
    90,513.90/135,549.18 = 63,794.16/x
  3. Step 3: Cross multiply
    90,513.90x = 135,549.18 × 63,794.16
  4. Step 4: Simplify right side
    90,513.90x = 8,647,246,076.79
  5. Step 5: Solve for x
    x = 8,647,246,076.79/90,513.90
  6. Step 6: Final answer
    x = 95,535.01

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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.