Home / 90,677.83-125,138.45-50,393.29

Finding the Fourth Proportional to 90,677.83, 125,138.45 and 50,393.29

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Solution

The fourth proportional to 90,677.83, 125,138.45 and 50,393.29 is: 69,544.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,677.83 : 125,138.45 = 50,393.29 : x
  2. Step 2: Convert to fraction form
    90,677.83/125,138.45 = 50,393.29/x
  3. Step 3: Cross multiply
    90,677.83x = 125,138.45 × 50,393.29
  4. Step 4: Simplify right side
    90,677.83x = 6,306,138,201.00
  5. Step 5: Solve for x
    x = 6,306,138,201.00/90,677.83
  6. Step 6: Final answer
    x = 69,544.43

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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.