Home / 88,305.41-121,856.27-48,018.85

Finding the Fourth Proportional to 88,305.41, 121,856.27 and 48,018.85

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Solution

The fourth proportional to 88,305.41, 121,856.27 and 48,018.85 is: 66,263.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,305.41 : 121,856.27 = 48,018.85 : x
  2. Step 2: Convert to fraction form
    88,305.41/121,856.27 = 48,018.85/x
  3. Step 3: Cross multiply
    88,305.41x = 121,856.27 × 48,018.85
  4. Step 4: Simplify right side
    88,305.41x = 5,851,397,405.95
  5. Step 5: Solve for x
    x = 5,851,397,405.95/88,305.41
  6. Step 6: Final answer
    x = 66,263.18

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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.