Home / 76,646.12-114,997.68-34,513.52

Finding the Fourth Proportional to 76,646.12, 114,997.68 and 34,513.52

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Solution

The fourth proportional to 76,646.12, 114,997.68 and 34,513.52 is: 51,783.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,646.12 : 114,997.68 = 34,513.52 : x
  2. Step 2: Convert to fraction form
    76,646.12/114,997.68 = 34,513.52/x
  3. Step 3: Cross multiply
    76,646.12x = 114,997.68 × 34,513.52
  4. Step 4: Simplify right side
    76,646.12x = 3,968,974,728.63
  5. Step 5: Solve for x
    x = 3,968,974,728.63/76,646.12
  6. Step 6: Final answer
    x = 51,783.11

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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.