Home / 82,289.05-123,433.58-28,968.47

Finding the Fourth Proportional to 82,289.05, 123,433.58 and 28,968.47

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Solution

The fourth proportional to 82,289.05, 123,433.58 and 28,968.47 is: 43,452.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,289.05 : 123,433.58 = 28,968.47 : x
  2. Step 2: Convert to fraction form
    82,289.05/123,433.58 = 28,968.47/x
  3. Step 3: Cross multiply
    82,289.05x = 123,433.58 × 28,968.47
  4. Step 4: Simplify right side
    82,289.05x = 3,575,681,959.22
  5. Step 5: Solve for x
    x = 3,575,681,959.22/82,289.05
  6. Step 6: Final answer
    x = 43,452.71

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1.5x scale

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.