Home / 42,741.76-64,127.22-23,022.31

Finding the Fourth Proportional to 42,741.76, 64,127.22 and 23,022.31

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Solution

The fourth proportional to 42,741.76, 64,127.22 and 23,022.31 is: 34,541.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,741.76 : 64,127.22 = 23,022.31 : x
  2. Step 2: Convert to fraction form
    42,741.76/64,127.22 = 23,022.31/x
  3. Step 3: Cross multiply
    42,741.76x = 64,127.22 × 23,022.31
  4. Step 4: Simplify right side
    42,741.76x = 1,476,356,738.28
  5. Step 5: Solve for x
    x = 1,476,356,738.28/42,741.76
  6. Step 6: Final answer
    x = 34,541.32

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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.