Home / 81,644.15-112,668.87-45,834.26

Finding the Fourth Proportional to 81,644.15, 112,668.87 and 45,834.26

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Solution

The fourth proportional to 81,644.15, 112,668.87 and 45,834.26 is: 63,251.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,644.15 : 112,668.87 = 45,834.26 : x
  2. Step 2: Convert to fraction form
    81,644.15/112,668.87 = 45,834.26/x
  3. Step 3: Cross multiply
    81,644.15x = 112,668.87 × 45,834.26
  4. Step 4: Simplify right side
    81,644.15x = 5,164,093,890.02
  5. Step 5: Solve for x
    x = 5,164,093,890.02/81,644.15
  6. Step 6: Final answer
    x = 63,251.24

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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.