Home / 77,439.90-116,160.66-33,038.94

Finding the Fourth Proportional to 77,439.90, 116,160.66 and 33,038.94

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Solution

The fourth proportional to 77,439.90, 116,160.66 and 33,038.94 is: 49,558.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,439.90 : 116,160.66 = 33,038.94 : x
  2. Step 2: Convert to fraction form
    77,439.90/116,160.66 = 33,038.94/x
  3. Step 3: Cross multiply
    77,439.90x = 116,160.66 × 33,038.94
  4. Step 4: Simplify right side
    77,439.90x = 3,837,825,076.10
  5. Step 5: Solve for x
    x = 3,837,825,076.10/77,439.90
  6. Step 6: Final answer
    x = 49,558.76

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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.