Home / 76,404.56-114,679.78-46,880.06

Finding the Fourth Proportional to 76,404.56, 114,679.78 and 46,880.06

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Solution

The fourth proportional to 76,404.56, 114,679.78 and 46,880.06 is: 70,364.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,404.56 : 114,679.78 = 46,880.06 : x
  2. Step 2: Convert to fraction form
    76,404.56/114,679.78 = 46,880.06/x
  3. Step 3: Cross multiply
    76,404.56x = 114,679.78 × 46,880.06
  4. Step 4: Simplify right side
    76,404.56x = 5,376,194,967.19
  5. Step 5: Solve for x
    x = 5,376,194,967.19/76,404.56
  6. Step 6: Final answer
    x = 70,364.84

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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.