Home / 85,600.08-128,330.53-35,717.33

Finding the Fourth Proportional to 85,600.08, 128,330.53 and 35,717.33

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Solution

The fourth proportional to 85,600.08, 128,330.53 and 35,717.33 is: 53,546.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,600.08 : 128,330.53 = 35,717.33 : x
  2. Step 2: Convert to fraction form
    85,600.08/128,330.53 = 35,717.33/x
  3. Step 3: Cross multiply
    85,600.08x = 128,330.53 × 35,717.33
  4. Step 4: Simplify right side
    85,600.08x = 4,583,624,120.62
  5. Step 5: Solve for x
    x = 4,583,624,120.62/85,600.08
  6. Step 6: Final answer
    x = 53,546.96

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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.