Home / 90,941.13-125,495.21-50,653.85

Finding the Fourth Proportional to 90,941.13, 125,495.21 and 50,653.85

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Solution

The fourth proportional to 90,941.13, 125,495.21 and 50,653.85 is: 69,900.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,941.13 : 125,495.21 = 50,653.85 : x
  2. Step 2: Convert to fraction form
    90,941.13/125,495.21 = 50,653.85/x
  3. Step 3: Cross multiply
    90,941.13x = 125,495.21 × 50,653.85
  4. Step 4: Simplify right side
    90,941.13x = 6,356,815,042.22
  5. Step 5: Solve for x
    x = 6,356,815,042.22/90,941.13
  6. Step 6: Final answer
    x = 69,900.33

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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.