Home / 104,075.88-143,624.71-56,329.62

Finding the Fourth Proportional to 104,075.88, 143,624.71 and 56,329.62

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Solution

The fourth proportional to 104,075.88, 143,624.71 and 56,329.62 is: 77,734.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,075.88 : 143,624.71 = 56,329.62 : x
  2. Step 2: Convert to fraction form
    104,075.88/143,624.71 = 56,329.62/x
  3. Step 3: Cross multiply
    104,075.88x = 143,624.71 × 56,329.62
  4. Step 4: Simplify right side
    104,075.88x = 8,090,325,336.91
  5. Step 5: Solve for x
    x = 8,090,325,336.91/104,075.88
  6. Step 6: Final answer
    x = 77,734.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.