Home / 66,521.13-91,797.39-36,306.83

Finding the Fourth Proportional to 66,521.13, 91,797.39 and 36,306.83

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Solution

The fourth proportional to 66,521.13, 91,797.39 and 36,306.83 is: 50,102.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,521.13 : 91,797.39 = 36,306.83 : x
  2. Step 2: Convert to fraction form
    66,521.13/91,797.39 = 36,306.83/x
  3. Step 3: Cross multiply
    66,521.13x = 91,797.39 × 36,306.83
  4. Step 4: Simplify right side
    66,521.13x = 3,332,871,774.19
  5. Step 5: Solve for x
    x = 3,332,871,774.19/66,521.13
  6. Step 6: Final answer
    x = 50,102.45

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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.