Home / 78,035.83-117,053.75-33,064.28

Finding the Fourth Proportional to 78,035.83, 117,053.75 and 33,064.28

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Solution

The fourth proportional to 78,035.83, 117,053.75 and 33,064.28 is: 49,596.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,035.83 : 117,053.75 = 33,064.28 : x
  2. Step 2: Convert to fraction form
    78,035.83/117,053.75 = 33,064.28/x
  3. Step 3: Cross multiply
    78,035.83x = 117,053.75 × 33,064.28
  4. Step 4: Simplify right side
    78,035.83x = 3,870,297,214.46
  5. Step 5: Solve for x
    x = 3,870,297,214.46/78,035.83
  6. Step 6: Final answer
    x = 49,596.41

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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.