Home / 43,191.33-64,640.70-26,561.91

Finding the Fourth Proportional to 43,191.33, 64,640.70 and 26,561.91

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Solution

The fourth proportional to 43,191.33, 64,640.70 and 26,561.91 is: 39,752.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,191.33 : 64,640.70 = 26,561.91 : x
  2. Step 2: Convert to fraction form
    43,191.33/64,640.70 = 26,561.91/x
  3. Step 3: Cross multiply
    43,191.33x = 64,640.70 × 26,561.91
  4. Step 4: Simplify right side
    43,191.33x = 1,716,980,455.74
  5. Step 5: Solve for x
    x = 1,716,980,455.74/43,191.33
  6. Step 6: Final answer
    x = 39,752.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.