Home / 87,650.06-120,957.08-47,363.84

Finding the Fourth Proportional to 87,650.06, 120,957.08 and 47,363.84

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Solution

The fourth proportional to 87,650.06, 120,957.08 and 47,363.84 is: 65,362.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,650.06 : 120,957.08 = 47,363.84 : x
  2. Step 2: Convert to fraction form
    87,650.06/120,957.08 = 47,363.84/x
  3. Step 3: Cross multiply
    87,650.06x = 120,957.08 × 47,363.84
  4. Step 4: Simplify right side
    87,650.06x = 5,728,991,783.99
  5. Step 5: Solve for x
    x = 5,728,991,783.99/87,650.06
  6. Step 6: Final answer
    x = 65,362.10

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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.