Home / 85,142.36-117,496.49-49,353.14

Finding the Fourth Proportional to 85,142.36, 117,496.49 and 49,353.14

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Solution

The fourth proportional to 85,142.36, 117,496.49 and 49,353.14 is: 68,107.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,142.36 : 117,496.49 = 49,353.14 : x
  2. Step 2: Convert to fraction form
    85,142.36/117,496.49 = 49,353.14/x
  3. Step 3: Cross multiply
    85,142.36x = 117,496.49 × 49,353.14
  4. Step 4: Simplify right side
    85,142.36x = 5,798,819,886.23
  5. Step 5: Solve for x
    x = 5,798,819,886.23/85,142.36
  6. Step 6: Final answer
    x = 68,107.35

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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.