Home / 56,563.91-84,845.55-13,868.81

Finding the Fourth Proportional to 56,563.91, 84,845.55 and 13,868.81

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Solution

The fourth proportional to 56,563.91, 84,845.55 and 13,868.81 is: 20,803.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,563.91 : 84,845.55 = 13,868.81 : x
  2. Step 2: Convert to fraction form
    56,563.91/84,845.55 = 13,868.81/x
  3. Step 3: Cross multiply
    56,563.91x = 84,845.55 × 13,868.81
  4. Step 4: Simplify right side
    56,563.91x = 1,176,706,388.07
  5. Step 5: Solve for x
    x = 1,176,706,388.07/56,563.91
  6. Step 6: Final answer
    x = 20,803.13

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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.