Home / 78,075.26-117,095.37-35,914.85

Finding the Fourth Proportional to 78,075.26, 117,095.37 and 35,914.85

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Solution

The fourth proportional to 78,075.26, 117,095.37 and 35,914.85 is: 53,864.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,075.26 : 117,095.37 = 35,914.85 : x
  2. Step 2: Convert to fraction form
    78,075.26/117,095.37 = 35,914.85/x
  3. Step 3: Cross multiply
    78,075.26x = 117,095.37 × 35,914.85
  4. Step 4: Simplify right side
    78,075.26x = 4,205,462,063.77
  5. Step 5: Solve for x
    x = 4,205,462,063.77/78,075.26
  6. Step 6: Final answer
    x = 53,864.21

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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.