Home / 65,387.60-97,950.12-55,349.36

Finding the Fourth Proportional to 65,387.60, 97,950.12 and 55,349.36

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Solution

The fourth proportional to 65,387.60, 97,950.12 and 55,349.36 is: 82,912.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,387.60 : 97,950.12 = 55,349.36 : x
  2. Step 2: Convert to fraction form
    65,387.60/97,950.12 = 55,349.36/x
  3. Step 3: Cross multiply
    65,387.60x = 97,950.12 × 55,349.36
  4. Step 4: Simplify right side
    65,387.60x = 5,421,476,453.92
  5. Step 5: Solve for x
    x = 5,421,476,453.92/65,387.60
  6. Step 6: Final answer
    x = 82,912.91

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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.