Home / 88,921.07-122,709.35-48,634.71

Finding the Fourth Proportional to 88,921.07, 122,709.35 and 48,634.71

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Solution

The fourth proportional to 88,921.07, 122,709.35 and 48,634.71 is: 67,114.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,921.07 : 122,709.35 = 48,634.71 : x
  2. Step 2: Convert to fraction form
    88,921.07/122,709.35 = 48,634.71/x
  3. Step 3: Cross multiply
    88,921.07x = 122,709.35 × 48,634.71
  4. Step 4: Simplify right side
    88,921.07x = 5,967,933,408.36
  5. Step 5: Solve for x
    x = 5,967,933,408.36/88,921.07
  6. Step 6: Final answer
    x = 67,114.96

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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.