Home / 76,285.08-114,450.03-34,155.81

Finding the Fourth Proportional to 76,285.08, 114,450.03 and 34,155.81

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Solution

The fourth proportional to 76,285.08, 114,450.03 and 34,155.81 is: 51,243.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,285.08 : 114,450.03 = 34,155.81 : x
  2. Step 2: Convert to fraction form
    76,285.08/114,450.03 = 34,155.81/x
  3. Step 3: Cross multiply
    76,285.08x = 114,450.03 × 34,155.81
  4. Step 4: Simplify right side
    76,285.08x = 3,909,133,479.17
  5. Step 5: Solve for x
    x = 3,909,133,479.17/76,285.08
  6. Step 6: Final answer
    x = 51,243.75

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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.