Home / 88,390.56-121,976.62-48,103.45

Finding the Fourth Proportional to 88,390.56, 121,976.62 and 48,103.45

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Solution

The fourth proportional to 88,390.56, 121,976.62 and 48,103.45 is: 66,381.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,390.56 : 121,976.62 = 48,103.45 : x
  2. Step 2: Convert to fraction form
    88,390.56/121,976.62 = 48,103.45/x
  3. Step 3: Cross multiply
    88,390.56x = 121,976.62 × 48,103.45
  4. Step 4: Simplify right side
    88,390.56x = 5,867,496,772.84
  5. Step 5: Solve for x
    x = 5,867,496,772.84/88,390.56
  6. Step 6: Final answer
    x = 66,381.49

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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.