Home / 81,492.06-112,458.84-49,661.04

Finding the Fourth Proportional to 81,492.06, 112,458.84 and 49,661.04

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Solution

The fourth proportional to 81,492.06, 112,458.84 and 49,661.04 is: 68,532.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,492.06 : 112,458.84 = 49,661.04 : x
  2. Step 2: Convert to fraction form
    81,492.06/112,458.84 = 49,661.04/x
  3. Step 3: Cross multiply
    81,492.06x = 112,458.84 × 49,661.04
  4. Step 4: Simplify right side
    81,492.06x = 5,584,822,951.59
  5. Step 5: Solve for x
    x = 5,584,822,951.59/81,492.06
  6. Step 6: Final answer
    x = 68,532.11

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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.