Home / 68,301.10-94,253.04-39,621.33

Finding the Fourth Proportional to 68,301.10, 94,253.04 and 39,621.33

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Solution

The fourth proportional to 68,301.10, 94,253.04 and 39,621.33 is: 54,676.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,301.10 : 94,253.04 = 39,621.33 : x
  2. Step 2: Convert to fraction form
    68,301.10/94,253.04 = 39,621.33/x
  3. Step 3: Cross multiply
    68,301.10x = 94,253.04 × 39,621.33
  4. Step 4: Simplify right side
    68,301.10x = 3,734,430,801.34
  5. Step 5: Solve for x
    x = 3,734,430,801.34/68,301.10
  6. Step 6: Final answer
    x = 54,676.00

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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.