Home / 90,840.34-125,358.69-50,553.42

Finding the Fourth Proportional to 90,840.34, 125,358.69 and 50,553.42

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Solution

The fourth proportional to 90,840.34, 125,358.69 and 50,553.42 is: 69,763.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,840.34 : 125,358.69 = 50,553.42 : x
  2. Step 2: Convert to fraction form
    90,840.34/125,358.69 = 50,553.42/x
  3. Step 3: Cross multiply
    90,840.34x = 125,358.69 × 50,553.42
  4. Step 4: Simplify right side
    90,840.34x = 6,337,309,941.34
  5. Step 5: Solve for x
    x = 6,337,309,941.34/90,840.34
  6. Step 6: Final answer
    x = 69,763.17

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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.