Home / 83,627.10-115,409.81-47,824.29

Finding the Fourth Proportional to 83,627.10, 115,409.81 and 47,824.29

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Solution

The fourth proportional to 83,627.10, 115,409.81 and 47,824.29 is: 66,000.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,627.10 : 115,409.81 = 47,824.29 : x
  2. Step 2: Convert to fraction form
    83,627.10/115,409.81 = 47,824.29/x
  3. Step 3: Cross multiply
    83,627.10x = 115,409.81 × 47,824.29
  4. Step 4: Simplify right side
    83,627.10x = 5,519,392,341.85
  5. Step 5: Solve for x
    x = 5,519,392,341.85/83,627.10
  6. Step 6: Final answer
    x = 66,000.04

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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.