Home / 77,283.08-106,651.76-45,016.88

Finding the Fourth Proportional to 77,283.08, 106,651.76 and 45,016.88

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Solution

The fourth proportional to 77,283.08, 106,651.76 and 45,016.88 is: 62,123.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,283.08 : 106,651.76 = 45,016.88 : x
  2. Step 2: Convert to fraction form
    77,283.08/106,651.76 = 45,016.88/x
  3. Step 3: Cross multiply
    77,283.08x = 106,651.76 × 45,016.88
  4. Step 4: Simplify right side
    77,283.08x = 4,801,128,976.59
  5. Step 5: Solve for x
    x = 4,801,128,976.59/77,283.08
  6. Step 6: Final answer
    x = 62,123.93

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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.