Home / 56,085.96-84,110.74-18,635.98

Finding the Fourth Proportional to 56,085.96, 84,110.74 and 18,635.98

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Solution

The fourth proportional to 56,085.96, 84,110.74 and 18,635.98 is: 27,947.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,085.96 : 84,110.74 = 18,635.98 : x
  2. Step 2: Convert to fraction form
    56,085.96/84,110.74 = 18,635.98/x
  3. Step 3: Cross multiply
    56,085.96x = 84,110.74 × 18,635.98
  4. Step 4: Simplify right side
    56,085.96x = 1,567,485,811.56
  5. Step 5: Solve for x
    x = 1,567,485,811.56/56,085.96
  6. Step 6: Final answer
    x = 27,947.92

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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.