Home / 90,372.34-124,710.44-50,086.79

Finding the Fourth Proportional to 90,372.34, 124,710.44 and 50,086.79

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Solution

The fourth proportional to 90,372.34, 124,710.44 and 50,086.79 is: 69,117.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,372.34 : 124,710.44 = 50,086.79 : x
  2. Step 2: Convert to fraction form
    90,372.34/124,710.44 = 50,086.79/x
  3. Step 3: Cross multiply
    90,372.34x = 124,710.44 × 50,086.79
  4. Step 4: Simplify right side
    90,372.34x = 6,246,345,212.77
  5. Step 5: Solve for x
    x = 6,246,345,212.77/90,372.34
  6. Step 6: Final answer
    x = 69,117.89

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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.