Home / 77,680.46-116,523.12-25,090.40

Finding the Fourth Proportional to 77,680.46, 116,523.12 and 25,090.40

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Solution

The fourth proportional to 77,680.46, 116,523.12 and 25,090.40 is: 37,636.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,680.46 : 116,523.12 = 25,090.40 : x
  2. Step 2: Convert to fraction form
    77,680.46/116,523.12 = 25,090.40/x
  3. Step 3: Cross multiply
    77,680.46x = 116,523.12 × 25,090.40
  4. Step 4: Simplify right side
    77,680.46x = 2,923,612,075.44
  5. Step 5: Solve for x
    x = 2,923,612,075.44/77,680.46
  6. Step 6: Final answer
    x = 37,636.39

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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.