Home / 89,490.28-134,232.32-22,930.96

Finding the Fourth Proportional to 89,490.28, 134,232.32 and 22,930.96

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Solution

The fourth proportional to 89,490.28, 134,232.32 and 22,930.96 is: 34,395.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,490.28 : 134,232.32 = 22,930.96 : x
  2. Step 2: Convert to fraction form
    89,490.28/134,232.32 = 22,930.96/x
  3. Step 3: Cross multiply
    89,490.28x = 134,232.32 × 22,930.96
  4. Step 4: Simplify right side
    89,490.28x = 3,078,075,960.63
  5. Step 5: Solve for x
    x = 3,078,075,960.63/89,490.28
  6. Step 6: Final answer
    x = 34,395.65

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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.