Home / 86,951.39-119,989.49-49,225.64

Finding the Fourth Proportional to 86,951.39, 119,989.49 and 49,225.64

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Solution

The fourth proportional to 86,951.39, 119,989.49 and 49,225.64 is: 67,929.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,951.39 : 119,989.49 = 49,225.64 : x
  2. Step 2: Convert to fraction form
    86,951.39/119,989.49 = 49,225.64/x
  3. Step 3: Cross multiply
    86,951.39x = 119,989.49 × 49,225.64
  4. Step 4: Simplify right side
    86,951.39x = 5,906,558,592.45
  5. Step 5: Solve for x
    x = 5,906,558,592.45/86,951.39
  6. Step 6: Final answer
    x = 67,929.44

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1.5x scale

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.