Home / 90,393.30-124,750.13-50,119.70

Finding the Fourth Proportional to 90,393.30, 124,750.13 and 50,119.70

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Solution

The fourth proportional to 90,393.30, 124,750.13 and 50,119.70 is: 69,169.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,393.30 : 124,750.13 = 50,119.70 : x
  2. Step 2: Convert to fraction form
    90,393.30/124,750.13 = 50,119.70/x
  3. Step 3: Cross multiply
    90,393.30x = 124,750.13 × 50,119.70
  4. Step 4: Simplify right side
    90,393.30x = 6,252,438,216.21
  5. Step 5: Solve for x
    x = 6,252,438,216.21/90,393.30
  6. Step 6: Final answer
    x = 69,169.27

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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.