Home / 77,283.11-106,648.65-45,453.96

Finding the Fourth Proportional to 77,283.11, 106,648.65 and 45,453.96

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Solution

The fourth proportional to 77,283.11, 106,648.65 and 45,453.96 is: 62,725.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,283.11 : 106,648.65 = 45,453.96 : x
  2. Step 2: Convert to fraction form
    77,283.11/106,648.65 = 45,453.96/x
  3. Step 3: Cross multiply
    77,283.11x = 106,648.65 × 45,453.96
  4. Step 4: Simplify right side
    77,283.11x = 4,847,603,471.15
  5. Step 5: Solve for x
    x = 4,847,603,471.15/77,283.11
  6. Step 6: Final answer
    x = 62,725.26

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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.