Home / 57,812.64-86,666.36-22,251.28

Finding the Fourth Proportional to 57,812.64, 86,666.36 and 22,251.28

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Solution

The fourth proportional to 57,812.64, 86,666.36 and 22,251.28 is: 33,356.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,812.64 : 86,666.36 = 22,251.28 : x
  2. Step 2: Convert to fraction form
    57,812.64/86,666.36 = 22,251.28/x
  3. Step 3: Cross multiply
    57,812.64x = 86,666.36 × 22,251.28
  4. Step 4: Simplify right side
    57,812.64x = 1,928,437,442.94
  5. Step 5: Solve for x
    x = 1,928,437,442.94/57,812.64
  6. Step 6: Final answer
    x = 33,356.67

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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.