Home / 76,139.64-114,232.83-34,055.13

Finding the Fourth Proportional to 76,139.64, 114,232.83 and 34,055.13

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Solution

The fourth proportional to 76,139.64, 114,232.83 and 34,055.13 is: 51,093.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,139.64 : 114,232.83 = 34,055.13 : x
  2. Step 2: Convert to fraction form
    76,139.64/114,232.83 = 34,055.13/x
  3. Step 3: Cross multiply
    76,139.64x = 114,232.83 × 34,055.13
  4. Step 4: Simplify right side
    76,139.64x = 3,890,213,875.92
  5. Step 5: Solve for x
    x = 3,890,213,875.92/76,139.64
  6. Step 6: Final answer
    x = 51,093.15

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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.