Home / 76,588.38-114,820.61-34,437.60

Finding the Fourth Proportional to 76,588.38, 114,820.61 and 34,437.60

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Solution

The fourth proportional to 76,588.38, 114,820.61 and 34,437.60 is: 51,628.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,588.38 : 114,820.61 = 34,437.60 : x
  2. Step 2: Convert to fraction form
    76,588.38/114,820.61 = 34,437.60/x
  3. Step 3: Cross multiply
    76,588.38x = 114,820.61 × 34,437.60
  4. Step 4: Simplify right side
    76,588.38x = 3,954,146,066.75
  5. Step 5: Solve for x
    x = 3,954,146,066.75/76,588.38
  6. Step 6: Final answer
    x = 51,628.54

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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.