Home / 66,520.08-91,799.16-36,305.52

Finding the Fourth Proportional to 66,520.08, 91,799.16 and 36,305.52

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Solution

The fourth proportional to 66,520.08, 91,799.16 and 36,305.52 is: 50,102.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,520.08 : 91,799.16 = 36,305.52 : x
  2. Step 2: Convert to fraction form
    66,520.08/91,799.16 = 36,305.52/x
  3. Step 3: Cross multiply
    66,520.08x = 91,799.16 × 36,305.52
  4. Step 4: Simplify right side
    66,520.08x = 3,332,816,239.36
  5. Step 5: Solve for x
    x = 3,332,816,239.36/66,520.08
  6. Step 6: Final answer
    x = 50,102.41

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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.