Home / 43,161.63-64,720.76-25,155.65

Finding the Fourth Proportional to 43,161.63, 64,720.76 and 25,155.65

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Solution

The fourth proportional to 43,161.63, 64,720.76 and 25,155.65 is: 37,720.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,161.63 : 64,720.76 = 25,155.65 : x
  2. Step 2: Convert to fraction form
    43,161.63/64,720.76 = 25,155.65/x
  3. Step 3: Cross multiply
    43,161.63x = 64,720.76 × 25,155.65
  4. Step 4: Simplify right side
    43,161.63x = 1,628,092,822.32
  5. Step 5: Solve for x
    x = 1,628,092,822.32/43,161.63
  6. Step 6: Final answer
    x = 37,720.84

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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.