Home / 85,350.95-117,766.73-49,045.38

Finding the Fourth Proportional to 85,350.95, 117,766.73 and 49,045.38

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Solution

The fourth proportional to 85,350.95, 117,766.73 and 49,045.38 is: 67,672.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,350.95 : 117,766.73 = 49,045.38 : x
  2. Step 2: Convert to fraction form
    85,350.95/117,766.73 = 49,045.38/x
  3. Step 3: Cross multiply
    85,350.95x = 117,766.73 × 49,045.38
  4. Step 4: Simplify right side
    85,350.95x = 5,775,913,778.98
  5. Step 5: Solve for x
    x = 5,775,913,778.98/85,350.95
  6. Step 6: Final answer
    x = 67,672.52

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1.5x scale

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.