Home / 97,065.20-133,944.36-54,621.20

Finding the Fourth Proportional to 97,065.20, 133,944.36 and 54,621.20

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Solution

The fourth proportional to 97,065.20, 133,944.36 and 54,621.20 is: 75,374.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,065.20 : 133,944.36 = 54,621.20 : x
  2. Step 2: Convert to fraction form
    97,065.20/133,944.36 = 54,621.20/x
  3. Step 3: Cross multiply
    97,065.20x = 133,944.36 × 54,621.20
  4. Step 4: Simplify right side
    97,065.20x = 7,316,201,676.43
  5. Step 5: Solve for x
    x = 7,316,201,676.43/97,065.20
  6. Step 6: Final answer
    x = 75,374.10

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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.