Home / 81,738.54-112,796.67-45,927.66

Finding the Fourth Proportional to 81,738.54, 112,796.67 and 45,927.66

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Solution

The fourth proportional to 81,738.54, 112,796.67 and 45,927.66 is: 63,378.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,738.54 : 112,796.67 = 45,927.66 : x
  2. Step 2: Convert to fraction form
    81,738.54/112,796.67 = 45,927.66/x
  3. Step 3: Cross multiply
    81,738.54x = 112,796.67 × 45,927.66
  4. Step 4: Simplify right side
    81,738.54x = 5,180,487,108.89
  5. Step 5: Solve for x
    x = 5,180,487,108.89/81,738.54
  6. Step 6: Final answer
    x = 63,378.76

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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.