Home / 85,811.82-118,415.43-48,088.50

Finding the Fourth Proportional to 85,811.82, 118,415.43 and 48,088.50

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Solution

The fourth proportional to 85,811.82, 118,415.43 and 48,088.50 is: 66,359.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,811.82 : 118,415.43 = 48,088.50 : x
  2. Step 2: Convert to fraction form
    85,811.82/118,415.43 = 48,088.50/x
  3. Step 3: Cross multiply
    85,811.82x = 118,415.43 × 48,088.50
  4. Step 4: Simplify right side
    85,811.82x = 5,694,420,405.56
  5. Step 5: Solve for x
    x = 5,694,420,405.56/85,811.82
  6. Step 6: Final answer
    x = 66,359.39

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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.