Home / 89,723.70-134,585.55-47,733.30

Finding the Fourth Proportional to 89,723.70, 134,585.55 and 47,733.30

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Solution

The fourth proportional to 89,723.70, 134,585.55 and 47,733.30 is: 71,599.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,723.70 : 134,585.55 = 47,733.30 : x
  2. Step 2: Convert to fraction form
    89,723.70/134,585.55 = 47,733.30/x
  3. Step 3: Cross multiply
    89,723.70x = 134,585.55 × 47,733.30
  4. Step 4: Simplify right side
    89,723.70x = 6,424,212,433.82
  5. Step 5: Solve for x
    x = 6,424,212,433.82/89,723.70
  6. Step 6: Final answer
    x = 71,599.95

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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.