Home / 68,453.01-94,462.96-39,775.06

Finding the Fourth Proportional to 68,453.01, 94,462.96 and 39,775.06

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Solution

The fourth proportional to 68,453.01, 94,462.96 and 39,775.06 is: 54,888.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,453.01 : 94,462.96 = 39,775.06 : x
  2. Step 2: Convert to fraction form
    68,453.01/94,462.96 = 39,775.06/x
  3. Step 3: Cross multiply
    68,453.01x = 94,462.96 × 39,775.06
  4. Step 4: Simplify right side
    68,453.01x = 3,757,269,901.78
  5. Step 5: Solve for x
    x = 3,757,269,901.78/68,453.01
  6. Step 6: Final answer
    x = 54,888.31

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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.