Home / 88,213.96-121,733.79-47,928.34

Finding the Fourth Proportional to 88,213.96, 121,733.79 and 47,928.34

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Solution

The fourth proportional to 88,213.96, 121,733.79 and 47,928.34 is: 66,140.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,213.96 : 121,733.79 = 47,928.34 : x
  2. Step 2: Convert to fraction form
    88,213.96/121,733.79 = 47,928.34/x
  3. Step 3: Cross multiply
    88,213.96x = 121,733.79 × 47,928.34
  4. Step 4: Simplify right side
    88,213.96x = 5,834,498,476.61
  5. Step 5: Solve for x
    x = 5,834,498,476.61/88,213.96
  6. Step 6: Final answer
    x = 66,140.31

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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.