Home / 88,378.32-121,962.30-48,092.06

Finding the Fourth Proportional to 88,378.32, 121,962.30 and 48,092.06

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Solution

The fourth proportional to 88,378.32, 121,962.30 and 48,092.06 is: 66,367.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,378.32 : 121,962.30 = 48,092.06 : x
  2. Step 2: Convert to fraction form
    88,378.32/121,962.30 = 48,092.06/x
  3. Step 3: Cross multiply
    88,378.32x = 121,962.30 × 48,092.06
  4. Step 4: Simplify right side
    88,378.32x = 5,865,418,249.34
  5. Step 5: Solve for x
    x = 5,865,418,249.34/88,378.32
  6. Step 6: Final answer
    x = 66,367.16

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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.