Home / 77,680.69-116,380.16-35,595.93

Finding the Fourth Proportional to 77,680.69, 116,380.16 and 35,595.93

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Solution

The fourth proportional to 77,680.69, 116,380.16 and 35,595.93 is: 53,329.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,680.69 : 116,380.16 = 35,595.93 : x
  2. Step 2: Convert to fraction form
    77,680.69/116,380.16 = 35,595.93/x
  3. Step 3: Cross multiply
    77,680.69x = 116,380.16 × 35,595.93
  4. Step 4: Simplify right side
    77,680.69x = 4,142,660,028.75
  5. Step 5: Solve for x
    x = 4,142,660,028.75/77,680.69
  6. Step 6: Final answer
    x = 53,329.34

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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.