Home / 89,864.68-124,013.66-49,579.63

Finding the Fourth Proportional to 89,864.68, 124,013.66 and 49,579.63

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Solution

The fourth proportional to 89,864.68, 124,013.66 and 49,579.63 is: 68,420.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,864.68 : 124,013.66 = 49,579.63 : x
  2. Step 2: Convert to fraction form
    89,864.68/124,013.66 = 49,579.63/x
  3. Step 3: Cross multiply
    89,864.68x = 124,013.66 × 49,579.63
  4. Step 4: Simplify right side
    89,864.68x = 6,148,551,796.18
  5. Step 5: Solve for x
    x = 6,148,551,796.18/89,864.68
  6. Step 6: Final answer
    x = 68,420.11

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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.