Home / 76,421.31-114,466.05-46,749.12

Finding the Fourth Proportional to 76,421.31, 114,466.05 and 46,749.12

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Solution

The fourth proportional to 76,421.31, 114,466.05 and 46,749.12 is: 70,022.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,421.31 : 114,466.05 = 46,749.12 : x
  2. Step 2: Convert to fraction form
    76,421.31/114,466.05 = 46,749.12/x
  3. Step 3: Cross multiply
    76,421.31x = 114,466.05 × 46,749.12
  4. Step 4: Simplify right side
    76,421.31x = 5,351,187,107.38
  5. Step 5: Solve for x
    x = 5,351,187,107.38/76,421.31
  6. Step 6: Final answer
    x = 70,022.19

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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.