Home / 76,938.81-106,178.31-44,671.02

Finding the Fourth Proportional to 76,938.81, 106,178.31 and 44,671.02

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Solution

The fourth proportional to 76,938.81, 106,178.31 and 44,671.02 is: 61,647.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,938.81 : 106,178.31 = 44,671.02 : x
  2. Step 2: Convert to fraction form
    76,938.81/106,178.31 = 44,671.02/x
  3. Step 3: Cross multiply
    76,938.81x = 106,178.31 × 44,671.02
  4. Step 4: Simplify right side
    76,938.81x = 4,743,093,409.58
  5. Step 5: Solve for x
    x = 4,743,093,409.58/76,938.81
  6. Step 6: Final answer
    x = 61,647.61

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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.