Home / 80,486.11-111,075.86-46,496.03

Finding the Fourth Proportional to 80,486.11, 111,075.86 and 46,496.03

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Solution

The fourth proportional to 80,486.11, 111,075.86 and 46,496.03 is: 64,167.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,486.11 : 111,075.86 = 46,496.03 : x
  2. Step 2: Convert to fraction form
    80,486.11/111,075.86 = 46,496.03/x
  3. Step 3: Cross multiply
    80,486.11x = 111,075.86 × 46,496.03
  4. Step 4: Simplify right side
    80,486.11x = 5,164,585,818.16
  5. Step 5: Solve for x
    x = 5,164,585,818.16/80,486.11
  6. Step 6: Final answer
    x = 64,167.42

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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.