Home / 77,824.21-116,736.34-60,080.77

Finding the Fourth Proportional to 77,824.21, 116,736.34 and 60,080.77

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Solution

The fourth proportional to 77,824.21, 116,736.34 and 60,080.77 is: 90,121.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,824.21 : 116,736.34 = 60,080.77 : x
  2. Step 2: Convert to fraction form
    77,824.21/116,736.34 = 60,080.77/x
  3. Step 3: Cross multiply
    77,824.21x = 116,736.34 × 60,080.77
  4. Step 4: Simplify right side
    77,824.21x = 7,013,609,166.32
  5. Step 5: Solve for x
    x = 7,013,609,166.32/77,824.21
  6. Step 6: Final answer
    x = 90,121.18

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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.