Home / 89,857.28-134,762.84-26,662.45

Finding the Fourth Proportional to 89,857.28, 134,762.84 and 26,662.45

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Solution

The fourth proportional to 89,857.28, 134,762.84 and 26,662.45 is: 39,986.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,857.28 : 134,762.84 = 26,662.45 : x
  2. Step 2: Convert to fraction form
    89,857.28/134,762.84 = 26,662.45/x
  3. Step 3: Cross multiply
    89,857.28x = 134,762.84 × 26,662.45
  4. Step 4: Simplify right side
    89,857.28x = 3,593,107,113.12
  5. Step 5: Solve for x
    x = 3,593,107,113.12/89,857.28
  6. Step 6: Final answer
    x = 39,986.82

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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.