Home / 76,690.98-114,939.54-34,526.16

Finding the Fourth Proportional to 76,690.98, 114,939.54 and 34,526.16

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Solution

The fourth proportional to 76,690.98, 114,939.54 and 34,526.16 is: 51,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,690.98 : 114,939.54 = 34,526.16 : x
  2. Step 2: Convert to fraction form
    76,690.98/114,939.54 = 34,526.16/x
  3. Step 3: Cross multiply
    76,690.98x = 114,939.54 × 34,526.16
  4. Step 4: Simplify right side
    76,690.98x = 3,968,420,948.37
  5. Step 5: Solve for x
    x = 3,968,420,948.37/76,690.98
  6. Step 6: Final answer
    x = 51,745.60

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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.