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Finding the Fourth Proportional to 67,134.60, 100,779.70 and 36,030.60

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Solution

The fourth proportional to 67,134.60, 100,779.70 and 36,030.60 is: 54,087.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,134.60 : 100,779.70 = 36,030.60 : x
  2. Step 2: Convert to fraction form
    67,134.60/100,779.70 = 36,030.60/x
  3. Step 3: Cross multiply
    67,134.60x = 100,779.70 × 36,030.60
  4. Step 4: Simplify right side
    67,134.60x = 3,631,153,058.82
  5. Step 5: Solve for x
    x = 3,631,153,058.82/67,134.60
  6. Step 6: Final answer
    x = 54,087.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.