Home / 85,142.26-117,496.28-49,353.01

Finding the Fourth Proportional to 85,142.26, 117,496.28 and 49,353.01

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Solution

The fourth proportional to 85,142.26, 117,496.28 and 49,353.01 is: 68,107.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,142.26 : 117,496.28 = 49,353.01 : x
  2. Step 2: Convert to fraction form
    85,142.26/117,496.28 = 49,353.01/x
  3. Step 3: Cross multiply
    85,142.26x = 117,496.28 × 49,353.01
  4. Step 4: Simplify right side
    85,142.26x = 5,798,794,835.04
  5. Step 5: Solve for x
    x = 5,798,794,835.04/85,142.26
  6. Step 6: Final answer
    x = 68,107.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.