Home / 75,783.36-104,568.96-42,249.60

Finding the Fourth Proportional to 75,783.36, 104,568.96 and 42,249.60

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Solution

The fourth proportional to 75,783.36, 104,568.96 and 42,249.60 is: 58,297.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,783.36 : 104,568.96 = 42,249.60 : x
  2. Step 2: Convert to fraction form
    75,783.36/104,568.96 = 42,249.60/x
  3. Step 3: Cross multiply
    75,783.36x = 104,568.96 × 42,249.60
  4. Step 4: Simplify right side
    75,783.36x = 4,417,996,732.42
  5. Step 5: Solve for x
    x = 4,417,996,732.42/75,783.36
  6. Step 6: Final answer
    x = 58,297.72

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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.