Home / 101,887.26-152,781.74-42,707.04

Finding the Fourth Proportional to 101,887.26, 152,781.74 and 42,707.04

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Solution

The fourth proportional to 101,887.26, 152,781.74 and 42,707.04 is: 64,039.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,887.26 : 152,781.74 = 42,707.04 : x
  2. Step 2: Convert to fraction form
    101,887.26/152,781.74 = 42,707.04/x
  3. Step 3: Cross multiply
    101,887.26x = 152,781.74 × 42,707.04
  4. Step 4: Simplify right side
    101,887.26x = 6,524,855,667.91
  5. Step 5: Solve for x
    x = 6,524,855,667.91/101,887.26
  6. Step 6: Final answer
    x = 64,039.96

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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.