Home / 113,653.23-170,442.90-53,672.42

Finding the Fourth Proportional to 113,653.23, 170,442.90 and 53,672.42

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Solution

The fourth proportional to 113,653.23, 170,442.90 and 53,672.42 is: 80,491.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,653.23 : 170,442.90 = 53,672.42 : x
  2. Step 2: Convert to fraction form
    113,653.23/170,442.90 = 53,672.42/x
  3. Step 3: Cross multiply
    113,653.23x = 170,442.90 × 53,672.42
  4. Step 4: Simplify right side
    113,653.23x = 9,148,082,062.60
  5. Step 5: Solve for x
    x = 9,148,082,062.60/113,653.23
  6. Step 6: Final answer
    x = 80,491.18

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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.