Home / 71,736.60-98,994.24-39,905.22

Finding the Fourth Proportional to 71,736.60, 98,994.24 and 39,905.22

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Solution

The fourth proportional to 71,736.60, 98,994.24 and 39,905.22 is: 55,067.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,736.60 : 98,994.24 = 39,905.22 : x
  2. Step 2: Convert to fraction form
    71,736.60/98,994.24 = 39,905.22/x
  3. Step 3: Cross multiply
    71,736.60x = 98,994.24 × 39,905.22
  4. Step 4: Simplify right side
    71,736.60x = 3,950,386,925.93
  5. Step 5: Solve for x
    x = 3,950,386,925.93/71,736.60
  6. Step 6: Final answer
    x = 55,067.94

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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.