Home / 88,177.84-121,699.17-49,939.36

Finding the Fourth Proportional to 88,177.84, 121,699.17 and 49,939.36

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Solution

The fourth proportional to 88,177.84, 121,699.17 and 49,939.36 is: 68,924.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,177.84 : 121,699.17 = 49,939.36 : x
  2. Step 2: Convert to fraction form
    88,177.84/121,699.17 = 49,939.36/x
  3. Step 3: Cross multiply
    88,177.84x = 121,699.17 × 49,939.36
  4. Step 4: Simplify right side
    88,177.84x = 6,077,578,358.08
  5. Step 5: Solve for x
    x = 6,077,578,358.08/88,177.84
  6. Step 6: Final answer
    x = 68,924.10

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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.