Home / 82,486.26-113,858.46-58,681.98

Finding the Fourth Proportional to 82,486.26, 113,858.46 and 58,681.98

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Solution

The fourth proportional to 82,486.26, 113,858.46 and 58,681.98 is: 81,000.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,486.26 : 113,858.46 = 58,681.98 : x
  2. Step 2: Convert to fraction form
    82,486.26/113,858.46 = 58,681.98/x
  3. Step 3: Cross multiply
    82,486.26x = 113,858.46 × 58,681.98
  4. Step 4: Simplify right side
    82,486.26x = 6,681,439,872.55
  5. Step 5: Solve for x
    x = 6,681,439,872.55/82,486.26
  6. Step 6: Final answer
    x = 81,000.64

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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.