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Finding the Fourth Proportional to 82,059.51, 113,087.49 and 59,359.96

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Solution

The fourth proportional to 82,059.51, 113,087.49 and 59,359.96 is: 81,804.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,059.51 : 113,087.49 = 59,359.96 : x
  2. Step 2: Convert to fraction form
    82,059.51/113,087.49 = 59,359.96/x
  3. Step 3: Cross multiply
    82,059.51x = 113,087.49 × 59,359.96
  4. Step 4: Simplify right side
    82,059.51x = 6,712,869,453.62
  5. Step 5: Solve for x
    x = 6,712,869,453.62/82,059.51
  6. Step 6: Final answer
    x = 81,804.90

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1.5x scale

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.