Home / 90,755.38-125,232.83-50,462.64

Finding the Fourth Proportional to 90,755.38, 125,232.83 and 50,462.64

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Solution

The fourth proportional to 90,755.38, 125,232.83 and 50,462.64 is: 69,633.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,755.38 : 125,232.83 = 50,462.64 : x
  2. Step 2: Convert to fraction form
    90,755.38/125,232.83 = 50,462.64/x
  3. Step 3: Cross multiply
    90,755.38x = 125,232.83 × 50,462.64
  4. Step 4: Simplify right side
    90,755.38x = 6,319,579,342.63
  5. Step 5: Solve for x
    x = 6,319,579,342.63/90,755.38
  6. Step 6: Final answer
    x = 69,633.11

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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.