Home / 76,422.07-114,465.84-54,167.93

Finding the Fourth Proportional to 76,422.07, 114,465.84 and 54,167.93

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Solution

The fourth proportional to 76,422.07, 114,465.84 and 54,167.93 is: 81,133.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,422.07 : 114,465.84 = 54,167.93 : x
  2. Step 2: Convert to fraction form
    76,422.07/114,465.84 = 54,167.93/x
  3. Step 3: Cross multiply
    76,422.07x = 114,465.84 × 54,167.93
  4. Step 4: Simplify right side
    76,422.07x = 6,200,377,608.51
  5. Step 5: Solve for x
    x = 6,200,377,608.51/76,422.07
  6. Step 6: Final answer
    x = 81,133.34

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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.