Home / 89,931.92-124,106.07-49,645.71

Finding the Fourth Proportional to 89,931.92, 124,106.07 and 49,645.71

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Solution

The fourth proportional to 89,931.92, 124,106.07 and 49,645.71 is: 68,511.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,931.92 : 124,106.07 = 49,645.71 : x
  2. Step 2: Convert to fraction form
    89,931.92/124,106.07 = 49,645.71/x
  3. Step 3: Cross multiply
    89,931.92x = 124,106.07 × 49,645.71
  4. Step 4: Simplify right side
    89,931.92x = 6,161,334,146.63
  5. Step 5: Solve for x
    x = 6,161,334,146.63/89,931.92
  6. Step 6: Final answer
    x = 68,511.09

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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.