Home / 87,466.40-131,296.80-48,100.40

Finding the Fourth Proportional to 87,466.40, 131,296.80 and 48,100.40

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Solution

The fourth proportional to 87,466.40, 131,296.80 and 48,100.40 is: 72,204.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,466.40 : 131,296.80 = 48,100.40 : x
  2. Step 2: Convert to fraction form
    87,466.40/131,296.80 = 48,100.40/x
  3. Step 3: Cross multiply
    87,466.40x = 131,296.80 × 48,100.40
  4. Step 4: Simplify right side
    87,466.40x = 6,315,428,598.72
  5. Step 5: Solve for x
    x = 6,315,428,598.72/87,466.40
  6. Step 6: Final answer
    x = 72,204.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.