Home / 88,315.32-121,878.35-50,596.86

Finding the Fourth Proportional to 88,315.32, 121,878.35 and 50,596.86

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Solution

The fourth proportional to 88,315.32, 121,878.35 and 50,596.86 is: 69,825.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,315.32 : 121,878.35 = 50,596.86 : x
  2. Step 2: Convert to fraction form
    88,315.32/121,878.35 = 50,596.86/x
  3. Step 3: Cross multiply
    88,315.32x = 121,878.35 × 50,596.86
  4. Step 4: Simplify right side
    88,315.32x = 6,166,661,811.98
  5. Step 5: Solve for x
    x = 6,166,661,811.98/88,315.32
  6. Step 6: Final answer
    x = 69,825.50

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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.