Home / 68,301.60-94,253.73-39,621.84

Finding the Fourth Proportional to 68,301.60, 94,253.73 and 39,621.84

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Solution

The fourth proportional to 68,301.60, 94,253.73 and 39,621.84 is: 54,676.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,301.60 : 94,253.73 = 39,621.84 : x
  2. Step 2: Convert to fraction form
    68,301.60/94,253.73 = 39,621.84/x
  3. Step 3: Cross multiply
    68,301.60x = 94,253.73 × 39,621.84
  4. Step 4: Simplify right side
    68,301.60x = 3,734,506,209.46
  5. Step 5: Solve for x
    x = 3,734,506,209.46/68,301.60
  6. Step 6: Final answer
    x = 54,676.70

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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.