Home / 76,860.89-115,294.87-23,549.05

Finding the Fourth Proportional to 76,860.89, 115,294.87 and 23,549.05

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Solution

The fourth proportional to 76,860.89, 115,294.87 and 23,549.05 is: 35,324.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,860.89 : 115,294.87 = 23,549.05 : x
  2. Step 2: Convert to fraction form
    76,860.89/115,294.87 = 23,549.05/x
  3. Step 3: Cross multiply
    76,860.89x = 115,294.87 × 23,549.05
  4. Step 4: Simplify right side
    76,860.89x = 2,715,084,658.37
  5. Step 5: Solve for x
    x = 2,715,084,658.37/76,860.89
  6. Step 6: Final answer
    x = 35,324.66

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1.5x scale

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.