Home / 76,935.63-115,099.79-58,269.45

Finding the Fourth Proportional to 76,935.63, 115,099.79 and 58,269.45

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Solution

The fourth proportional to 76,935.63, 115,099.79 and 58,269.45 is: 87,174.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,935.63 : 115,099.79 = 58,269.45 : x
  2. Step 2: Convert to fraction form
    76,935.63/115,099.79 = 58,269.45/x
  3. Step 3: Cross multiply
    76,935.63x = 115,099.79 × 58,269.45
  4. Step 4: Simplify right side
    76,935.63x = 6,706,801,167.07
  5. Step 5: Solve for x
    x = 6,706,801,167.07/76,935.63
  6. Step 6: Final answer
    x = 87,174.19

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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.