Home / 66,126.92-91,257.27-37,446.17

Finding the Fourth Proportional to 66,126.92, 91,257.27 and 37,446.17

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Solution

The fourth proportional to 66,126.92, 91,257.27 and 37,446.17 is: 51,676.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,126.92 : 91,257.27 = 37,446.17 : x
  2. Step 2: Convert to fraction form
    66,126.92/91,257.27 = 37,446.17/x
  3. Step 3: Cross multiply
    66,126.92x = 91,257.27 × 37,446.17
  4. Step 4: Simplify right side
    66,126.92x = 3,417,234,649.45
  5. Step 5: Solve for x
    x = 3,417,234,649.45/66,126.92
  6. Step 6: Final answer
    x = 51,676.91

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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.