Home / 64,822.08-89,446.40-36,134.70

Finding the Fourth Proportional to 64,822.08, 89,446.40 and 36,134.70

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Solution

The fourth proportional to 64,822.08, 89,446.40 and 36,134.70 is: 49,861.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,822.08 : 89,446.40 = 36,134.70 : x
  2. Step 2: Convert to fraction form
    64,822.08/89,446.40 = 36,134.70/x
  3. Step 3: Cross multiply
    64,822.08x = 89,446.40 × 36,134.70
  4. Step 4: Simplify right side
    64,822.08x = 3,232,118,830.08
  5. Step 5: Solve for x
    x = 3,232,118,830.08/64,822.08
  6. Step 6: Final answer
    x = 49,861.39

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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.