Home / 90,586.70-125,011.99-50,302.16

Finding the Fourth Proportional to 90,586.70, 125,011.99 and 50,302.16

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Solution

The fourth proportional to 90,586.70, 125,011.99 and 50,302.16 is: 69,418.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,586.70 : 125,011.99 = 50,302.16 : x
  2. Step 2: Convert to fraction form
    90,586.70/125,011.99 = 50,302.16/x
  3. Step 3: Cross multiply
    90,586.70x = 125,011.99 × 50,302.16
  4. Step 4: Simplify right side
    90,586.70x = 6,288,373,122.90
  5. Step 5: Solve for x
    x = 6,288,373,122.90/90,586.70
  6. Step 6: Final answer
    x = 69,418.28

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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.