Home / 53,621.40-80,442.90-44,916.60

Finding the Fourth Proportional to 53,621.40, 80,442.90 and 44,916.60

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Solution

The fourth proportional to 53,621.40, 80,442.90 and 44,916.60 is: 67,383.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,621.40 : 80,442.90 = 44,916.60 : x
  2. Step 2: Convert to fraction form
    53,621.40/80,442.90 = 44,916.60/x
  3. Step 3: Cross multiply
    53,621.40x = 80,442.90 × 44,916.60
  4. Step 4: Simplify right side
    53,621.40x = 3,613,221,562.14
  5. Step 5: Solve for x
    x = 3,613,221,562.14/53,621.40
  6. Step 6: Final answer
    x = 67,383.95

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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.