Home / 45,574.20-68,360.76-14,409.36

Finding the Fourth Proportional to 45,574.20, 68,360.76 and 14,409.36

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Solution

The fourth proportional to 45,574.20, 68,360.76 and 14,409.36 is: 21,613.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,574.20 : 68,360.76 = 14,409.36 : x
  2. Step 2: Convert to fraction form
    45,574.20/68,360.76 = 14,409.36/x
  3. Step 3: Cross multiply
    45,574.20x = 68,360.76 × 14,409.36
  4. Step 4: Simplify right side
    45,574.20x = 985,034,800.71
  5. Step 5: Solve for x
    x = 985,034,800.71/45,574.20
  6. Step 6: Final answer
    x = 21,613.87

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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.