Home / 90,469.89-124,854.11-52,236.44

Finding the Fourth Proportional to 90,469.89, 124,854.11 and 52,236.44

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Solution

The fourth proportional to 90,469.89, 124,854.11 and 52,236.44 is: 72,089.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,469.89 : 124,854.11 = 52,236.44 : x
  2. Step 2: Convert to fraction form
    90,469.89/124,854.11 = 52,236.44/x
  3. Step 3: Cross multiply
    90,469.89x = 124,854.11 × 52,236.44
  4. Step 4: Simplify right side
    90,469.89x = 6,521,934,225.77
  5. Step 5: Solve for x
    x = 6,521,934,225.77/90,469.89
  6. Step 6: Final answer
    x = 72,089.56

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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.