Home / 89,823.70-134,735.55-30,661.30

Finding the Fourth Proportional to 89,823.70, 134,735.55 and 30,661.30

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Solution

The fourth proportional to 89,823.70, 134,735.55 and 30,661.30 is: 45,991.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,823.70 : 134,735.55 = 30,661.30 : x
  2. Step 2: Convert to fraction form
    89,823.70/134,735.55 = 30,661.30/x
  3. Step 3: Cross multiply
    89,823.70x = 134,735.55 × 30,661.30
  4. Step 4: Simplify right side
    89,823.70x = 4,131,167,119.22
  5. Step 5: Solve for x
    x = 4,131,167,119.22/89,823.70
  6. Step 6: Final answer
    x = 45,991.95

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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.