Home / 86,314.85-119,114.52-48,081.77

Finding the Fourth Proportional to 86,314.85, 119,114.52 and 48,081.77

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Solution

The fourth proportional to 86,314.85, 119,114.52 and 48,081.77 is: 66,352.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,314.85 : 119,114.52 = 48,081.77 : x
  2. Step 2: Convert to fraction form
    86,314.85/119,114.52 = 48,081.77/x
  3. Step 3: Cross multiply
    86,314.85x = 119,114.52 × 48,081.77
  4. Step 4: Simplify right side
    86,314.85x = 5,727,236,625.10
  5. Step 5: Solve for x
    x = 5,727,236,625.10/86,314.85
  6. Step 6: Final answer
    x = 66,352.85

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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.