Home / 89,616.48-134,507.79-45,274.44

Finding the Fourth Proportional to 89,616.48, 134,507.79 and 45,274.44

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Solution

The fourth proportional to 89,616.48, 134,507.79 and 45,274.44 is: 67,953.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,616.48 : 134,507.79 = 45,274.44 : x
  2. Step 2: Convert to fraction form
    89,616.48/134,507.79 = 45,274.44/x
  3. Step 3: Cross multiply
    89,616.48x = 134,507.79 × 45,274.44
  4. Step 4: Simplify right side
    89,616.48x = 6,089,765,372.29
  5. Step 5: Solve for x
    x = 6,089,765,372.29/89,616.48
  6. Step 6: Final answer
    x = 67,953.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.