Home / 89,913.90-124,081.62-49,627.74

Finding the Fourth Proportional to 89,913.90, 124,081.62 and 49,627.74

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Solution

The fourth proportional to 89,913.90, 124,081.62 and 49,627.74 is: 68,486.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,913.90 : 124,081.62 = 49,627.74 : x
  2. Step 2: Convert to fraction form
    89,913.90/124,081.62 = 49,627.74/x
  3. Step 3: Cross multiply
    89,913.90x = 124,081.62 × 49,627.74
  4. Step 4: Simplify right side
    89,913.90x = 6,157,890,376.14
  5. Step 5: Solve for x
    x = 6,157,890,376.14/89,913.90
  6. Step 6: Final answer
    x = 68,486.52

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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.