Home / 76,904.23-115,355.63-24,313.72

Finding the Fourth Proportional to 76,904.23, 115,355.63 and 24,313.72

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Solution

The fourth proportional to 76,904.23, 115,355.63 and 24,313.72 is: 36,470.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,904.23 : 115,355.63 = 24,313.72 : x
  2. Step 2: Convert to fraction form
    76,904.23/115,355.63 = 24,313.72/x
  3. Step 3: Cross multiply
    76,904.23x = 115,355.63 × 24,313.72
  4. Step 4: Simplify right side
    76,904.23x = 2,804,724,715.85
  5. Step 5: Solve for x
    x = 2,804,724,715.85/76,904.23
  6. Step 6: Final answer
    x = 36,470.36

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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.