Home / 76,181.26-105,081.15-47,837.74

Finding the Fourth Proportional to 76,181.26, 105,081.15 and 47,837.74

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Solution

The fourth proportional to 76,181.26, 105,081.15 and 47,837.74 is: 65,985.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,181.26 : 105,081.15 = 47,837.74 : x
  2. Step 2: Convert to fraction form
    76,181.26/105,081.15 = 47,837.74/x
  3. Step 3: Cross multiply
    76,181.26x = 105,081.15 × 47,837.74
  4. Step 4: Simplify right side
    76,181.26x = 5,026,844,732.60
  5. Step 5: Solve for x
    x = 5,026,844,732.60/76,181.26
  6. Step 6: Final answer
    x = 65,985.32

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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.