Home / 81,227.06-112,093.03-45,416.96

Finding the Fourth Proportional to 81,227.06, 112,093.03 and 45,416.96

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Solution

The fourth proportional to 81,227.06, 112,093.03 and 45,416.96 is: 62,675.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,227.06 : 112,093.03 = 45,416.96 : x
  2. Step 2: Convert to fraction form
    81,227.06/112,093.03 = 45,416.96/x
  3. Step 3: Cross multiply
    81,227.06x = 112,093.03 × 45,416.96
  4. Step 4: Simplify right side
    81,227.06x = 5,090,924,659.79
  5. Step 5: Solve for x
    x = 5,090,924,659.79/81,227.06
  6. Step 6: Final answer
    x = 62,675.23

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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.