Home / 85,733.33-128,600.01-35,786.18

Finding the Fourth Proportional to 85,733.33, 128,600.01 and 35,786.18

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Solution

The fourth proportional to 85,733.33, 128,600.01 and 35,786.18 is: 53,679.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,733.33 : 128,600.01 = 35,786.18 : x
  2. Step 2: Convert to fraction form
    85,733.33/128,600.01 = 35,786.18/x
  3. Step 3: Cross multiply
    85,733.33x = 128,600.01 × 35,786.18
  4. Step 4: Simplify right side
    85,733.33x = 4,602,103,610.96
  5. Step 5: Solve for x
    x = 4,602,103,610.96/85,733.33
  6. Step 6: Final answer
    x = 53,679.28

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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.