Home / 55,709.51-83,553.84-15,718.64

Finding the Fourth Proportional to 55,709.51, 83,553.84 and 15,718.64

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Solution

The fourth proportional to 55,709.51, 83,553.84 and 15,718.64 is: 23,575.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,709.51 : 83,553.84 = 15,718.64 : x
  2. Step 2: Convert to fraction form
    55,709.51/83,553.84 = 15,718.64/x
  3. Step 3: Cross multiply
    55,709.51x = 83,553.84 × 15,718.64
  4. Step 4: Simplify right side
    55,709.51x = 1,313,352,313.81
  5. Step 5: Solve for x
    x = 1,313,352,313.81/55,709.51
  6. Step 6: Final answer
    x = 23,575.01

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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.