Home / 92,738.43-127,931.94-58,689.54

Finding the Fourth Proportional to 92,738.43, 127,931.94 and 58,689.54

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Solution

The fourth proportional to 92,738.43, 127,931.94 and 58,689.54 is: 80,961.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,738.43 : 127,931.94 = 58,689.54 : x
  2. Step 2: Convert to fraction form
    92,738.43/127,931.94 = 58,689.54/x
  3. Step 3: Cross multiply
    92,738.43x = 127,931.94 × 58,689.54
  4. Step 4: Simplify right side
    92,738.43x = 7,508,266,709.91
  5. Step 5: Solve for x
    x = 7,508,266,709.91/92,738.43
  6. Step 6: Final answer
    x = 80,961.76

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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.