Home / 85,112.15-117,475.45-49,296.38

Finding the Fourth Proportional to 85,112.15, 117,475.45 and 49,296.38

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Solution

The fourth proportional to 85,112.15, 117,475.45 and 49,296.38 is: 68,040.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,112.15 : 117,475.45 = 49,296.38 : x
  2. Step 2: Convert to fraction form
    85,112.15/117,475.45 = 49,296.38/x
  3. Step 3: Cross multiply
    85,112.15x = 117,475.45 × 49,296.38
  4. Step 4: Simplify right side
    85,112.15x = 5,791,114,423.87
  5. Step 5: Solve for x
    x = 5,791,114,423.87/85,112.15
  6. Step 6: Final answer
    x = 68,040.98

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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.