Home / 90,932.43-125,490.63-50,646.19

Finding the Fourth Proportional to 90,932.43, 125,490.63 and 50,646.19

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Solution

The fourth proportional to 90,932.43, 125,490.63 and 50,646.19 is: 69,893.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,932.43 : 125,490.63 = 50,646.19 : x
  2. Step 2: Convert to fraction form
    90,932.43/125,490.63 = 50,646.19/x
  3. Step 3: Cross multiply
    90,932.43x = 125,490.63 × 50,646.19
  4. Step 4: Simplify right side
    90,932.43x = 6,355,622,290.20
  5. Step 5: Solve for x
    x = 6,355,622,290.20/90,932.43
  6. Step 6: Final answer
    x = 69,893.90

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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.