Home / 88,405.79-122,006.21-49,646.66

Finding the Fourth Proportional to 88,405.79, 122,006.21 and 49,646.66

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Solution

The fourth proportional to 88,405.79, 122,006.21 and 49,646.66 is: 68,515.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,405.79 : 122,006.21 = 49,646.66 : x
  2. Step 2: Convert to fraction form
    88,405.79/122,006.21 = 49,646.66/x
  3. Step 3: Cross multiply
    88,405.79x = 122,006.21 × 49,646.66
  4. Step 4: Simplify right side
    88,405.79x = 6,057,199,967.49
  5. Step 5: Solve for x
    x = 6,057,199,967.49/88,405.79
  6. Step 6: Final answer
    x = 68,515.88

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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.