Home / 113,861.12-170,895.85-57,739.96

Finding the Fourth Proportional to 113,861.12, 170,895.85 and 57,739.96

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Solution

The fourth proportional to 113,861.12, 170,895.85 and 57,739.96 is: 86,662.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,861.12 : 170,895.85 = 57,739.96 : x
  2. Step 2: Convert to fraction form
    113,861.12/170,895.85 = 57,739.96/x
  3. Step 3: Cross multiply
    113,861.12x = 170,895.85 × 57,739.96
  4. Step 4: Simplify right side
    113,861.12x = 9,867,519,543.17
  5. Step 5: Solve for x
    x = 9,867,519,543.17/113,861.12
  6. Step 6: Final answer
    x = 86,662.77

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Why These Related Problems?

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