Home / 43,071.52-64,607.39-13,491.94

Finding the Fourth Proportional to 43,071.52, 64,607.39 and 13,491.94

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Solution

The fourth proportional to 43,071.52, 64,607.39 and 13,491.94 is: 20,237.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,071.52 : 64,607.39 = 13,491.94 : x
  2. Step 2: Convert to fraction form
    43,071.52/64,607.39 = 13,491.94/x
  3. Step 3: Cross multiply
    43,071.52x = 64,607.39 × 13,491.94
  4. Step 4: Simplify right side
    43,071.52x = 871,679,029.44
  5. Step 5: Solve for x
    x = 871,679,029.44/43,071.52
  6. Step 6: Final answer
    x = 20,237.94

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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.