Home / 88,380.32-121,965.06-48,094.06

Finding the Fourth Proportional to 88,380.32, 121,965.06 and 48,094.06

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Solution

The fourth proportional to 88,380.32, 121,965.06 and 48,094.06 is: 66,369.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,380.32 : 121,965.06 = 48,094.06 : x
  2. Step 2: Convert to fraction form
    88,380.32/121,965.06 = 48,094.06/x
  3. Step 3: Cross multiply
    88,380.32x = 121,965.06 × 48,094.06
  4. Step 4: Simplify right side
    88,380.32x = 5,865,794,913.54
  5. Step 5: Solve for x
    x = 5,865,794,913.54/88,380.32
  6. Step 6: Final answer
    x = 66,369.92

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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.