Home / 88,176.67-121,682.72-49,935.15

Finding the Fourth Proportional to 88,176.67, 121,682.72 and 49,935.15

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Solution

The fourth proportional to 88,176.67, 121,682.72 and 49,935.15 is: 68,909.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,176.67 : 121,682.72 = 49,935.15 : x
  2. Step 2: Convert to fraction form
    88,176.67/121,682.72 = 49,935.15/x
  3. Step 3: Cross multiply
    88,176.67x = 121,682.72 × 49,935.15
  4. Step 4: Simplify right side
    88,176.67x = 6,076,245,000.45
  5. Step 5: Solve for x
    x = 6,076,245,000.45/88,176.67
  6. Step 6: Final answer
    x = 68,909.90

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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.