Home / 76,270.86-114,285.89-61,969.59

Finding the Fourth Proportional to 76,270.86, 114,285.89 and 61,969.59

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Solution

The fourth proportional to 76,270.86, 114,285.89 and 61,969.59 is: 92,856.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,270.86 : 114,285.89 = 61,969.59 : x
  2. Step 2: Convert to fraction form
    76,270.86/114,285.89 = 61,969.59/x
  3. Step 3: Cross multiply
    76,270.86x = 114,285.89 × 61,969.59
  4. Step 4: Simplify right side
    76,270.86x = 7,082,249,901.01
  5. Step 5: Solve for x
    x = 7,082,249,901.01/76,270.86
  6. Step 6: Final answer
    x = 92,856.56

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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.