Home / 90,315.94-124,630.50-50,027.36

Finding the Fourth Proportional to 90,315.94, 124,630.50 and 50,027.36

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Solution

The fourth proportional to 90,315.94, 124,630.50 and 50,027.36 is: 69,034.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,315.94 : 124,630.50 = 50,027.36 : x
  2. Step 2: Convert to fraction form
    90,315.94/124,630.50 = 50,027.36/x
  3. Step 3: Cross multiply
    90,315.94x = 124,630.50 × 50,027.36
  4. Step 4: Simplify right side
    90,315.94x = 6,234,934,890.48
  5. Step 5: Solve for x
    x = 6,234,934,890.48/90,315.94
  6. Step 6: Final answer
    x = 69,034.71

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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.