Home / 89,734.20-134,601.30-58,241.40

Finding the Fourth Proportional to 89,734.20, 134,601.30 and 58,241.40

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Solution

The fourth proportional to 89,734.20, 134,601.30 and 58,241.40 is: 87,362.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,734.20 : 134,601.30 = 58,241.40 : x
  2. Step 2: Convert to fraction form
    89,734.20/134,601.30 = 58,241.40/x
  3. Step 3: Cross multiply
    89,734.20x = 134,601.30 × 58,241.40
  4. Step 4: Simplify right side
    89,734.20x = 7,839,368,153.82
  5. Step 5: Solve for x
    x = 7,839,368,153.82/89,734.20
  6. Step 6: Final answer
    x = 87,362.10

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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.