Home / 90,371.30-124,712.74-50,085.76

Finding the Fourth Proportional to 90,371.30, 124,712.74 and 50,085.76

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Solution

The fourth proportional to 90,371.30, 124,712.74 and 50,085.76 is: 69,118.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,371.30 : 124,712.74 = 50,085.76 : x
  2. Step 2: Convert to fraction form
    90,371.30/124,712.74 = 50,085.76/x
  3. Step 3: Cross multiply
    90,371.30x = 124,712.74 × 50,085.76
  4. Step 4: Simplify right side
    90,371.30x = 6,246,332,364.58
  5. Step 5: Solve for x
    x = 6,246,332,364.58/90,371.30
  6. Step 6: Final answer
    x = 69,118.54

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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.