Home / 82,173.08-113,296.02-68,580.74

Finding the Fourth Proportional to 82,173.08, 113,296.02 and 68,580.74

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Solution

The fourth proportional to 82,173.08, 113,296.02 and 68,580.74 is: 94,555.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,173.08 : 113,296.02 = 68,580.74 : x
  2. Step 2: Convert to fraction form
    82,173.08/113,296.02 = 68,580.74/x
  3. Step 3: Cross multiply
    82,173.08x = 113,296.02 × 68,580.74
  4. Step 4: Simplify right side
    82,173.08x = 7,769,924,890.65
  5. Step 5: Solve for x
    x = 7,769,924,890.65/82,173.08
  6. Step 6: Final answer
    x = 94,555.60

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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.