Home / 89,628.30-134,525.57-45,286.19

Finding the Fourth Proportional to 89,628.30, 134,525.57 and 45,286.19

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Solution

The fourth proportional to 89,628.30, 134,525.57 and 45,286.19 is: 67,971.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,628.30 : 134,525.57 = 45,286.19 : x
  2. Step 2: Convert to fraction form
    89,628.30/134,525.57 = 45,286.19/x
  3. Step 3: Cross multiply
    89,628.30x = 134,525.57 × 45,286.19
  4. Step 4: Simplify right side
    89,628.30x = 6,092,150,522.88
  5. Step 5: Solve for x
    x = 6,092,150,522.88/89,628.30
  6. Step 6: Final answer
    x = 67,971.28

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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.