Home / 85,053.78-117,367.32-49,246.05

Finding the Fourth Proportional to 85,053.78, 117,367.32 and 49,246.05

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Solution

The fourth proportional to 85,053.78, 117,367.32 and 49,246.05 is: 67,955.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,053.78 : 117,367.32 = 49,246.05 : x
  2. Step 2: Convert to fraction form
    85,053.78/117,367.32 = 49,246.05/x
  3. Step 3: Cross multiply
    85,053.78x = 117,367.32 × 49,246.05
  4. Step 4: Simplify right side
    85,053.78x = 5,779,876,909.09
  5. Step 5: Solve for x
    x = 5,779,876,909.09/85,053.78
  6. Step 6: Final answer
    x = 67,955.56

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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.