Home / 69,218.15-103,754.32-35,902.85

Finding the Fourth Proportional to 69,218.15, 103,754.32 and 35,902.85

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Solution

The fourth proportional to 69,218.15, 103,754.32 and 35,902.85 is: 53,816.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,218.15 : 103,754.32 = 35,902.85 : x
  2. Step 2: Convert to fraction form
    69,218.15/103,754.32 = 35,902.85/x
  3. Step 3: Cross multiply
    69,218.15x = 103,754.32 × 35,902.85
  4. Step 4: Simplify right side
    69,218.15x = 3,725,075,179.28
  5. Step 5: Solve for x
    x = 3,725,075,179.28/69,218.15
  6. Step 6: Final answer
    x = 53,816.45

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1.5x scale

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.