Home / 42,768.24-64,161.96-15,066.48

Finding the Fourth Proportional to 42,768.24, 64,161.96 and 15,066.48

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Solution

The fourth proportional to 42,768.24, 64,161.96 and 15,066.48 is: 22,603.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768.24 : 64,161.96 = 15,066.48 : x
  2. Step 2: Convert to fraction form
    42,768.24/64,161.96 = 15,066.48/x
  3. Step 3: Cross multiply
    42,768.24x = 64,161.96 × 15,066.48
  4. Step 4: Simplify right side
    42,768.24x = 966,694,887.10
  5. Step 5: Solve for x
    x = 966,694,887.10/42,768.24
  6. Step 6: Final answer
    x = 22,603.10

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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.