Home / 85,544.08-128,313.96-23,212.96

Finding the Fourth Proportional to 85,544.08, 128,313.96 and 23,212.96

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Solution

The fourth proportional to 85,544.08, 128,313.96 and 23,212.96 is: 34,818.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,544.08 : 128,313.96 = 23,212.96 : x
  2. Step 2: Convert to fraction form
    85,544.08/128,313.96 = 23,212.96/x
  3. Step 3: Cross multiply
    85,544.08x = 128,313.96 × 23,212.96
  4. Step 4: Simplify right side
    85,544.08x = 2,978,546,820.92
  5. Step 5: Solve for x
    x = 2,978,546,820.92/85,544.08
  6. Step 6: Final answer
    x = 34,818.85

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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.