Home / 90,791.34-125,273.52-53,058.30

Finding the Fourth Proportional to 90,791.34, 125,273.52 and 53,058.30

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Solution

The fourth proportional to 90,791.34, 125,273.52 and 53,058.30 is: 73,209.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,791.34 : 125,273.52 = 53,058.30 : x
  2. Step 2: Convert to fraction form
    90,791.34/125,273.52 = 53,058.30/x
  3. Step 3: Cross multiply
    90,791.34x = 125,273.52 × 53,058.30
  4. Step 4: Simplify right side
    90,791.34x = 6,646,800,006.22
  5. Step 5: Solve for x
    x = 6,646,800,006.22/90,791.34
  6. Step 6: Final answer
    x = 73,209.63

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1.5x scale

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.