Home / 76,015.21-114,041.37-53,569.65

Finding the Fourth Proportional to 76,015.21, 114,041.37 and 53,569.65

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Solution

The fourth proportional to 76,015.21, 114,041.37 and 53,569.65 is: 80,367.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,015.21 : 114,041.37 = 53,569.65 : x
  2. Step 2: Convert to fraction form
    76,015.21/114,041.37 = 53,569.65/x
  3. Step 3: Cross multiply
    76,015.21x = 114,041.37 × 53,569.65
  4. Step 4: Simplify right side
    76,015.21x = 6,109,156,603.63
  5. Step 5: Solve for x
    x = 6,109,156,603.63/76,015.21
  6. Step 6: Final answer
    x = 80,367.56

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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.