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Finding the Fourth Proportional to 64,016.60, 88,334.08 and 35,716.80

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Solution

The fourth proportional to 64,016.60, 88,334.08 and 35,716.80 is: 49,284.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,016.60 : 88,334.08 = 35,716.80 : x
  2. Step 2: Convert to fraction form
    64,016.60/88,334.08 = 35,716.80/x
  3. Step 3: Cross multiply
    64,016.60x = 88,334.08 × 35,716.80
  4. Step 4: Simplify right side
    64,016.60x = 3,155,010,668.54
  5. Step 5: Solve for x
    x = 3,155,010,668.54/64,016.60
  6. Step 6: Final answer
    x = 49,284.26

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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.