Home / 82,533.59-123,768.78-35,119.02

Finding the Fourth Proportional to 82,533.59, 123,768.78 and 35,119.02

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Solution

The fourth proportional to 82,533.59, 123,768.78 and 35,119.02 is: 52,665.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,533.59 : 123,768.78 = 35,119.02 : x
  2. Step 2: Convert to fraction form
    82,533.59/123,768.78 = 35,119.02/x
  3. Step 3: Cross multiply
    82,533.59x = 123,768.78 × 35,119.02
  4. Step 4: Simplify right side
    82,533.59x = 4,346,638,260.20
  5. Step 5: Solve for x
    x = 4,346,638,260.20/82,533.59
  6. Step 6: Final answer
    x = 52,665.08

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Why These Related Problems?

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