Home / 66,208.48-91,357.12-43,556.62

Finding the Fourth Proportional to 66,208.48, 91,357.12 and 43,556.62

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Solution

The fourth proportional to 66,208.48, 91,357.12 and 43,556.62 is: 60,101.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,208.48 : 91,357.12 = 43,556.62 : x
  2. Step 2: Convert to fraction form
    66,208.48/91,357.12 = 43,556.62/x
  3. Step 3: Cross multiply
    66,208.48x = 91,357.12 × 43,556.62
  4. Step 4: Simplify right side
    66,208.48x = 3,979,207,360.13
  5. Step 5: Solve for x
    x = 3,979,207,360.13/66,208.48
  6. Step 6: Final answer
    x = 60,101.17

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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.