Home / 76,284.81-114,440.43-25,679.01

Finding the Fourth Proportional to 76,284.81, 114,440.43 and 25,679.01

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Solution

The fourth proportional to 76,284.81, 114,440.43 and 25,679.01 is: 38,522.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,284.81 : 114,440.43 = 25,679.01 : x
  2. Step 2: Convert to fraction form
    76,284.81/114,440.43 = 25,679.01/x
  3. Step 3: Cross multiply
    76,284.81x = 114,440.43 × 25,679.01
  4. Step 4: Simplify right side
    76,284.81x = 2,938,716,946.37
  5. Step 5: Solve for x
    x = 2,938,716,946.37/76,284.81
  6. Step 6: Final answer
    x = 38,522.96

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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.