Home / 90,665.46-125,133.12-50,392.26

Finding the Fourth Proportional to 90,665.46, 125,133.12 and 50,392.26

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Solution

The fourth proportional to 90,665.46, 125,133.12 and 50,392.26 is: 69,549.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,665.46 : 125,133.12 = 50,392.26 : x
  2. Step 2: Convert to fraction form
    90,665.46/125,133.12 = 50,392.26/x
  3. Step 3: Cross multiply
    90,665.46x = 125,133.12 × 50,392.26
  4. Step 4: Simplify right side
    90,665.46x = 6,305,740,717.65
  5. Step 5: Solve for x
    x = 6,305,740,717.65/90,665.46
  6. Step 6: Final answer
    x = 69,549.54

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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.