Home / 43,301.87-64,956.95-12,137.03

Finding the Fourth Proportional to 43,301.87, 64,956.95 and 12,137.03

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Solution

The fourth proportional to 43,301.87, 64,956.95 and 12,137.03 is: 18,206.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,301.87 : 64,956.95 = 12,137.03 : x
  2. Step 2: Convert to fraction form
    43,301.87/64,956.95 = 12,137.03/x
  3. Step 3: Cross multiply
    43,301.87x = 64,956.95 × 12,137.03
  4. Step 4: Simplify right side
    43,301.87x = 788,384,598.08
  5. Step 5: Solve for x
    x = 788,384,598.08/43,301.87
  6. Step 6: Final answer
    x = 18,206.71

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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.