Home / 81,951.48-113,083.70-46,140.57

Finding the Fourth Proportional to 81,951.48, 113,083.70 and 46,140.57

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Solution

The fourth proportional to 81,951.48, 113,083.70 and 46,140.57 is: 63,668.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,951.48 : 113,083.70 = 46,140.57 : x
  2. Step 2: Convert to fraction form
    81,951.48/113,083.70 = 46,140.57/x
  3. Step 3: Cross multiply
    81,951.48x = 113,083.70 × 46,140.57
  4. Step 4: Simplify right side
    81,951.48x = 5,217,746,145.01
  5. Step 5: Solve for x
    x = 5,217,746,145.01/81,951.48
  6. Step 6: Final answer
    x = 63,668.72

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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.