Home / 85,556.36-118,082.36-49,767.12

Finding the Fourth Proportional to 85,556.36, 118,082.36 and 49,767.12

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Solution

The fourth proportional to 85,556.36, 118,082.36 and 49,767.12 is: 68,687.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,556.36 : 118,082.36 = 49,767.12 : x
  2. Step 2: Convert to fraction form
    85,556.36/118,082.36 = 49,767.12/x
  3. Step 3: Cross multiply
    85,556.36x = 118,082.36 × 49,767.12
  4. Step 4: Simplify right side
    85,556.36x = 5,876,618,980.00
  5. Step 5: Solve for x
    x = 5,876,618,980.00/85,556.36
  6. Step 6: Final answer
    x = 68,687.11

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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.