Home / 66,521.01-91,798.29-36,306.09

Finding the Fourth Proportional to 66,521.01, 91,798.29 and 36,306.09

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Solution

The fourth proportional to 66,521.01, 91,798.29 and 36,306.09 is: 50,102.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,521.01 : 91,798.29 = 36,306.09 : x
  2. Step 2: Convert to fraction form
    66,521.01/91,798.29 = 36,306.09/x
  3. Step 3: Cross multiply
    66,521.01x = 91,798.29 × 36,306.09
  4. Step 4: Simplify right side
    66,521.01x = 3,332,836,978.59
  5. Step 5: Solve for x
    x = 3,332,836,978.59/66,521.01
  6. Step 6: Final answer
    x = 50,102.02

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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.