Home / 65,596.18-90,529.68-40,117.44

Finding the Fourth Proportional to 65,596.18, 90,529.68 and 40,117.44

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Solution

The fourth proportional to 65,596.18, 90,529.68 and 40,117.44 is: 55,366.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,596.18 : 90,529.68 = 40,117.44 : x
  2. Step 2: Convert to fraction form
    65,596.18/90,529.68 = 40,117.44/x
  3. Step 3: Cross multiply
    65,596.18x = 90,529.68 × 40,117.44
  4. Step 4: Simplify right side
    65,596.18x = 3,631,819,005.62
  5. Step 5: Solve for x
    x = 3,631,819,005.62/65,596.18
  6. Step 6: Final answer
    x = 55,366.32

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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.