Home / 76,192.18-105,135.24-43,928.00

Finding the Fourth Proportional to 76,192.18, 105,135.24 and 43,928.00

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Solution

The fourth proportional to 76,192.18, 105,135.24 and 43,928.00 is: 60,614.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,192.18 : 105,135.24 = 43,928.00 : x
  2. Step 2: Convert to fraction form
    76,192.18/105,135.24 = 43,928.00/x
  3. Step 3: Cross multiply
    76,192.18x = 105,135.24 × 43,928.00
  4. Step 4: Simplify right side
    76,192.18x = 4,618,381,102.10
  5. Step 5: Solve for x
    x = 4,618,381,102.10/76,192.18
  6. Step 6: Final answer
    x = 60,614.90

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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.