Home / 90,409.19-124,753.14-50,122.58

Finding the Fourth Proportional to 90,409.19, 124,753.14 and 50,122.58

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Solution

The fourth proportional to 90,409.19, 124,753.14 and 50,122.58 is: 69,162.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,409.19 : 124,753.14 = 50,122.58 : x
  2. Step 2: Convert to fraction form
    90,409.19/124,753.14 = 50,122.58/x
  3. Step 3: Cross multiply
    90,409.19x = 124,753.14 × 50,122.58
  4. Step 4: Simplify right side
    90,409.19x = 6,252,948,616.14
  5. Step 5: Solve for x
    x = 6,252,948,616.14/90,409.19
  6. Step 6: Final answer
    x = 69,162.76

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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.