Home / 58,817.72-81,135.60-36,140.96

Finding the Fourth Proportional to 58,817.72, 81,135.60 and 36,140.96

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Solution

The fourth proportional to 58,817.72, 81,135.60 and 36,140.96 is: 49,854.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,817.72 : 81,135.60 = 36,140.96 : x
  2. Step 2: Convert to fraction form
    58,817.72/81,135.60 = 36,140.96/x
  3. Step 3: Cross multiply
    58,817.72x = 81,135.60 × 36,140.96
  4. Step 4: Simplify right side
    58,817.72x = 2,932,318,474.18
  5. Step 5: Solve for x
    x = 2,932,318,474.18/58,817.72
  6. Step 6: Final answer
    x = 49,854.34

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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.