Home / 57,058.36-78,744.18-31,908.04

Finding the Fourth Proportional to 57,058.36, 78,744.18 and 31,908.04

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Solution

The fourth proportional to 57,058.36, 78,744.18 and 31,908.04 is: 44,035.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,058.36 : 78,744.18 = 31,908.04 : x
  2. Step 2: Convert to fraction form
    57,058.36/78,744.18 = 31,908.04/x
  3. Step 3: Cross multiply
    57,058.36x = 78,744.18 × 31,908.04
  4. Step 4: Simplify right side
    57,058.36x = 2,512,572,445.21
  5. Step 5: Solve for x
    x = 2,512,572,445.21/57,058.36
  6. Step 6: Final answer
    x = 44,035.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.