Home / 66,711.23-100,066.28-27,240.66

Finding the Fourth Proportional to 66,711.23, 100,066.28 and 27,240.66

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Solution

The fourth proportional to 66,711.23, 100,066.28 and 27,240.66 is: 40,860.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,711.23 : 100,066.28 = 27,240.66 : x
  2. Step 2: Convert to fraction form
    66,711.23/100,066.28 = 27,240.66/x
  3. Step 3: Cross multiply
    66,711.23x = 100,066.28 × 27,240.66
  4. Step 4: Simplify right side
    66,711.23x = 2,725,871,010.61
  5. Step 5: Solve for x
    x = 2,725,871,010.61/66,711.23
  6. Step 6: Final answer
    x = 40,860.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.