Home / 90,532.34-124,932.75-50,243.76

Finding the Fourth Proportional to 90,532.34, 124,932.75 and 50,243.76

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Solution

The fourth proportional to 90,532.34, 124,932.75 and 50,243.76 is: 69,335.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,532.34 : 124,932.75 = 50,243.76 : x
  2. Step 2: Convert to fraction form
    90,532.34/124,932.75 = 50,243.76/x
  3. Step 3: Cross multiply
    90,532.34x = 124,932.75 × 50,243.76
  4. Step 4: Simplify right side
    90,532.34x = 6,277,091,107.14
  5. Step 5: Solve for x
    x = 6,277,091,107.14/90,532.34
  6. Step 6: Final answer
    x = 69,335.35

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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.