Home / 87,501.40-131,165.70-34,840.60

Finding the Fourth Proportional to 87,501.40, 131,165.70 and 34,840.60

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Solution

The fourth proportional to 87,501.40, 131,165.70 and 34,840.60 is: 52,226.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,501.40 : 131,165.70 = 34,840.60 : x
  2. Step 2: Convert to fraction form
    87,501.40/131,165.70 = 34,840.60/x
  3. Step 3: Cross multiply
    87,501.40x = 131,165.70 × 34,840.60
  4. Step 4: Simplify right side
    87,501.40x = 4,569,891,687.42
  5. Step 5: Solve for x
    x = 4,569,891,687.42/87,501.40
  6. Step 6: Final answer
    x = 52,226.50

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1.5x scale

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.