Home / 82,004.49-122,856.89-59,459.36

Finding the Fourth Proportional to 82,004.49, 122,856.89 and 59,459.36

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Solution

The fourth proportional to 82,004.49, 122,856.89 and 59,459.36 is: 89,080.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,004.49 : 122,856.89 = 59,459.36 : x
  2. Step 2: Convert to fraction form
    82,004.49/122,856.89 = 59,459.36/x
  3. Step 3: Cross multiply
    82,004.49x = 122,856.89 × 59,459.36
  4. Step 4: Simplify right side
    82,004.49x = 7,304,991,139.41
  5. Step 5: Solve for x
    x = 7,304,991,139.41/82,004.49
  6. Step 6: Final answer
    x = 89,080.38

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.