Home / 76,927.62-106,150.60-42,938.00

Finding the Fourth Proportional to 76,927.62, 106,150.60 and 42,938.00

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Solution

The fourth proportional to 76,927.62, 106,150.60 and 42,938.00 is: 59,249.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,927.62 : 106,150.60 = 42,938.00 : x
  2. Step 2: Convert to fraction form
    76,927.62/106,150.60 = 42,938.00/x
  3. Step 3: Cross multiply
    76,927.62x = 106,150.60 × 42,938.00
  4. Step 4: Simplify right side
    76,927.62x = 4,557,894,383.78
  5. Step 5: Solve for x
    x = 4,557,894,383.78/76,927.62
  6. Step 6: Final answer
    x = 59,249.12

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