Home / 88,214.72-121,736.97-47,928.56

Finding the Fourth Proportional to 88,214.72, 121,736.97 and 47,928.56

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Solution

The fourth proportional to 88,214.72, 121,736.97 and 47,928.56 is: 66,141.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,214.72 : 121,736.97 = 47,928.56 : x
  2. Step 2: Convert to fraction form
    88,214.72/121,736.97 = 47,928.56/x
  3. Step 3: Cross multiply
    88,214.72x = 121,736.97 × 47,928.56
  4. Step 4: Simplify right side
    88,214.72x = 5,834,677,062.18
  5. Step 5: Solve for x
    x = 5,834,677,062.18/88,214.72
  6. Step 6: Final answer
    x = 66,141.77

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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.