Home / 76,239.64-114,313.15-34,111.87

Finding the Fourth Proportional to 76,239.64, 114,313.15 and 34,111.87

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Solution

The fourth proportional to 76,239.64, 114,313.15 and 34,111.87 is: 51,147.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,239.64 : 114,313.15 = 34,111.87 : x
  2. Step 2: Convert to fraction form
    76,239.64/114,313.15 = 34,111.87/x
  3. Step 3: Cross multiply
    76,239.64x = 114,313.15 × 34,111.87
  4. Step 4: Simplify right side
    76,239.64x = 3,899,435,312.09
  5. Step 5: Solve for x
    x = 3,899,435,312.09/76,239.64
  6. Step 6: Final answer
    x = 51,147.08

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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.