Home / 68,075.04-93,945.20-37,861.60

Finding the Fourth Proportional to 68,075.04, 93,945.20 and 37,861.60

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Solution

The fourth proportional to 68,075.04, 93,945.20 and 37,861.60 is: 52,249.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,075.04 : 93,945.20 = 37,861.60 : x
  2. Step 2: Convert to fraction form
    68,075.04/93,945.20 = 37,861.60/x
  3. Step 3: Cross multiply
    68,075.04x = 93,945.20 × 37,861.60
  4. Step 4: Simplify right side
    68,075.04x = 3,556,915,584.32
  5. Step 5: Solve for x
    x = 3,556,915,584.32/68,075.04
  6. Step 6: Final answer
    x = 52,249.92

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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.