Home / 77,348.46-106,702.86-50,478.54

Finding the Fourth Proportional to 77,348.46, 106,702.86 and 50,478.54

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Solution

The fourth proportional to 77,348.46, 106,702.86 and 50,478.54 is: 69,635.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,348.46 : 106,702.86 = 50,478.54 : x
  2. Step 2: Convert to fraction form
    77,348.46/106,702.86 = 50,478.54/x
  3. Step 3: Cross multiply
    77,348.46x = 106,702.86 × 50,478.54
  4. Step 4: Simplify right side
    77,348.46x = 5,386,204,586.62
  5. Step 5: Solve for x
    x = 5,386,204,586.62/77,348.46
  6. Step 6: Final answer
    x = 69,635.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.