Home / 64,591.52-89,137.36-35,521.12

Finding the Fourth Proportional to 64,591.52, 89,137.36 and 35,521.12

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Solution

The fourth proportional to 64,591.52, 89,137.36 and 35,521.12 is: 49,019.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,591.52 : 89,137.36 = 35,521.12 : x
  2. Step 2: Convert to fraction form
    64,591.52/89,137.36 = 35,521.12/x
  3. Step 3: Cross multiply
    64,591.52x = 89,137.36 × 35,521.12
  4. Step 4: Simplify right side
    64,591.52x = 3,166,258,861.04
  5. Step 5: Solve for x
    x = 3,166,258,861.04/64,591.52
  6. Step 6: Final answer
    x = 49,019.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.