Home / 80,884.78-111,625.70-45,075.69

Finding the Fourth Proportional to 80,884.78, 111,625.70 and 45,075.69

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Solution

The fourth proportional to 80,884.78, 111,625.70 and 45,075.69 is: 62,207.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,884.78 : 111,625.70 = 45,075.69 : x
  2. Step 2: Convert to fraction form
    80,884.78/111,625.70 = 45,075.69/x
  3. Step 3: Cross multiply
    80,884.78x = 111,625.70 × 45,075.69
  4. Step 4: Simplify right side
    80,884.78x = 5,031,605,223.85
  5. Step 5: Solve for x
    x = 5,031,605,223.85/80,884.78
  6. Step 6: Final answer
    x = 62,207.07

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1.5x scale

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.