Home / 90,680.49-125,103.24-52,433.01

Finding the Fourth Proportional to 90,680.49, 125,103.24 and 52,433.01

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Solution

The fourth proportional to 90,680.49, 125,103.24 and 52,433.01 is: 72,336.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,680.49 : 125,103.24 = 52,433.01 : x
  2. Step 2: Convert to fraction form
    90,680.49/125,103.24 = 52,433.01/x
  3. Step 3: Cross multiply
    90,680.49x = 125,103.24 × 52,433.01
  4. Step 4: Simplify right side
    90,680.49x = 6,559,539,433.95
  5. Step 5: Solve for x
    x = 6,559,539,433.95/90,680.49
  6. Step 6: Final answer
    x = 72,336.83

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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.