Home / 81,330.97-112,223.35-51,094.89

Finding the Fourth Proportional to 81,330.97, 112,223.35 and 51,094.89

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Solution

The fourth proportional to 81,330.97, 112,223.35 and 51,094.89 is: 70,502.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,330.97 : 112,223.35 = 51,094.89 : x
  2. Step 2: Convert to fraction form
    81,330.97/112,223.35 = 51,094.89/x
  3. Step 3: Cross multiply
    81,330.97x = 112,223.35 × 51,094.89
  4. Step 4: Simplify right side
    81,330.97x = 5,734,039,723.68
  5. Step 5: Solve for x
    x = 5,734,039,723.68/81,330.97
  6. Step 6: Final answer
    x = 70,502.54

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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.