Home / 57,058.08-78,713.61-36,921.47

Finding the Fourth Proportional to 57,058.08, 78,713.61 and 36,921.47

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Solution

The fourth proportional to 57,058.08, 78,713.61 and 36,921.47 is: 50,934.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,058.08 : 78,713.61 = 36,921.47 : x
  2. Step 2: Convert to fraction form
    57,058.08/78,713.61 = 36,921.47/x
  3. Step 3: Cross multiply
    57,058.08x = 78,713.61 × 36,921.47
  4. Step 4: Simplify right side
    57,058.08x = 2,906,222,033.49
  5. Step 5: Solve for x
    x = 2,906,222,033.49/57,058.08
  6. Step 6: Final answer
    x = 50,934.45

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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.