Home / 89,670.24-134,506.44-30,507.12

Finding the Fourth Proportional to 89,670.24, 134,506.44 and 30,507.12

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Solution

The fourth proportional to 89,670.24, 134,506.44 and 30,507.12 is: 45,761.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,670.24 : 134,506.44 = 30,507.12 : x
  2. Step 2: Convert to fraction form
    89,670.24/134,506.44 = 30,507.12/x
  3. Step 3: Cross multiply
    89,670.24x = 134,506.44 × 30,507.12
  4. Step 4: Simplify right side
    89,670.24x = 4,103,404,105.85
  5. Step 5: Solve for x
    x = 4,103,404,105.85/89,670.24
  6. Step 6: Final answer
    x = 45,761.05

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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.