Home / 85,600.09-128,427.47-41,231.33

Finding the Fourth Proportional to 85,600.09, 128,427.47 and 41,231.33

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Solution

The fourth proportional to 85,600.09, 128,427.47 and 41,231.33 is: 61,860.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,600.09 : 128,427.47 = 41,231.33 : x
  2. Step 2: Convert to fraction form
    85,600.09/128,427.47 = 41,231.33/x
  3. Step 3: Cross multiply
    85,600.09x = 128,427.47 × 41,231.33
  4. Step 4: Simplify right side
    85,600.09x = 5,295,235,416.49
  5. Step 5: Solve for x
    x = 5,295,235,416.49/85,600.09
  6. Step 6: Final answer
    x = 61,860.16

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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.