Home / 76,530.18-114,807.10-39,069.92

Finding the Fourth Proportional to 76,530.18, 114,807.10 and 39,069.92

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Solution

The fourth proportional to 76,530.18, 114,807.10 and 39,069.92 is: 58,610.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,530.18 : 114,807.10 = 39,069.92 : x
  2. Step 2: Convert to fraction form
    76,530.18/114,807.10 = 39,069.92/x
  3. Step 3: Cross multiply
    76,530.18x = 114,807.10 × 39,069.92
  4. Step 4: Simplify right side
    76,530.18x = 4,485,504,212.43
  5. Step 5: Solve for x
    x = 4,485,504,212.43/76,530.18
  6. Step 6: Final answer
    x = 58,610.92

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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.