Home / 94,075.75-129,815.84-55,828.69

Finding the Fourth Proportional to 94,075.75, 129,815.84 and 55,828.69

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Solution

The fourth proportional to 94,075.75, 129,815.84 and 55,828.69 is: 77,038.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,075.75 : 129,815.84 = 55,828.69 : x
  2. Step 2: Convert to fraction form
    94,075.75/129,815.84 = 55,828.69/x
  3. Step 3: Cross multiply
    94,075.75x = 129,815.84 × 55,828.69
  4. Step 4: Simplify right side
    94,075.75x = 7,247,448,676.68
  5. Step 5: Solve for x
    x = 7,247,448,676.68/94,075.75
  6. Step 6: Final answer
    x = 77,038.43

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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.