Home / 85,045.86-117,350.82-51,047.15

Finding the Fourth Proportional to 85,045.86, 117,350.82 and 51,047.15

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Solution

The fourth proportional to 85,045.86, 117,350.82 and 51,047.15 is: 70,437.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,045.86 : 117,350.82 = 51,047.15 : x
  2. Step 2: Convert to fraction form
    85,045.86/117,350.82 = 51,047.15/x
  3. Step 3: Cross multiply
    85,045.86x = 117,350.82 × 51,047.15
  4. Step 4: Simplify right side
    85,045.86x = 5,990,424,324.41
  5. Step 5: Solve for x
    x = 5,990,424,324.41/85,045.86
  6. Step 6: Final answer
    x = 70,437.58

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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.