Home / 85,166.70-117,530.08-49,377.48

Finding the Fourth Proportional to 85,166.70, 117,530.08 and 49,377.48

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Solution

The fourth proportional to 85,166.70, 117,530.08 and 49,377.48 is: 68,140.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,166.70 : 117,530.08 = 49,377.48 : x
  2. Step 2: Convert to fraction form
    85,166.70/117,530.08 = 49,377.48/x
  3. Step 3: Cross multiply
    85,166.70x = 117,530.08 × 49,377.48
  4. Step 4: Simplify right side
    85,166.70x = 5,803,339,174.60
  5. Step 5: Solve for x
    x = 5,803,339,174.60/85,166.70
  6. Step 6: Final answer
    x = 68,140.94

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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.