Home / 90,336.58-124,654.20-50,040.30

Finding the Fourth Proportional to 90,336.58, 124,654.20 and 50,040.30

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Solution

The fourth proportional to 90,336.58, 124,654.20 and 50,040.30 is: 69,049.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,336.58 : 124,654.20 = 50,040.30 : x
  2. Step 2: Convert to fraction form
    90,336.58/124,654.20 = 50,040.30/x
  3. Step 3: Cross multiply
    90,336.58x = 124,654.20 × 50,040.30
  4. Step 4: Simplify right side
    90,336.58x = 6,237,733,564.26
  5. Step 5: Solve for x
    x = 6,237,733,564.26/90,336.58
  6. Step 6: Final answer
    x = 69,049.92

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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.