Home / 86,504.75-119,370.06-56,347.85

Finding the Fourth Proportional to 86,504.75, 119,370.06 and 56,347.85

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Solution

The fourth proportional to 86,504.75, 119,370.06 and 56,347.85 is: 77,755.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,504.75 : 119,370.06 = 56,347.85 : x
  2. Step 2: Convert to fraction form
    86,504.75/119,370.06 = 56,347.85/x
  3. Step 3: Cross multiply
    86,504.75x = 119,370.06 × 56,347.85
  4. Step 4: Simplify right side
    86,504.75x = 6,726,245,638.52
  5. Step 5: Solve for x
    x = 6,726,245,638.52/86,504.75
  6. Step 6: Final answer
    x = 77,755.80

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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.