Home / 107,415.15-160,877.30-51,294.57

Finding the Fourth Proportional to 107,415.15, 160,877.30 and 51,294.57

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Solution

The fourth proportional to 107,415.15, 160,877.30 and 51,294.57 is: 76,824.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,415.15 : 160,877.30 = 51,294.57 : x
  2. Step 2: Convert to fraction form
    107,415.15/160,877.30 = 51,294.57/x
  3. Step 3: Cross multiply
    107,415.15x = 160,877.30 × 51,294.57
  4. Step 4: Simplify right side
    107,415.15x = 8,252,131,669.79
  5. Step 5: Solve for x
    x = 8,252,131,669.79/107,415.15
  6. Step 6: Final answer
    x = 76,824.65

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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.