Home / 83,541.77-115,293.76-47,731.01

Finding the Fourth Proportional to 83,541.77, 115,293.76 and 47,731.01

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Solution

The fourth proportional to 83,541.77, 115,293.76 and 47,731.01 is: 65,872.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,541.77 : 115,293.76 = 47,731.01 : x
  2. Step 2: Convert to fraction form
    83,541.77/115,293.76 = 47,731.01/x
  3. Step 3: Cross multiply
    83,541.77x = 115,293.76 × 47,731.01
  4. Step 4: Simplify right side
    83,541.77x = 5,503,087,611.50
  5. Step 5: Solve for x
    x = 5,503,087,611.50/83,541.77
  6. Step 6: Final answer
    x = 65,872.29

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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.