Home / 85,984.56-128,824.23-35,954.37

Finding the Fourth Proportional to 85,984.56, 128,824.23 and 35,954.37

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Solution

The fourth proportional to 85,984.56, 128,824.23 and 35,954.37 is: 53,867.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,984.56 : 128,824.23 = 35,954.37 : x
  2. Step 2: Convert to fraction form
    85,984.56/128,824.23 = 35,954.37/x
  3. Step 3: Cross multiply
    85,984.56x = 128,824.23 × 35,954.37
  4. Step 4: Simplify right side
    85,984.56x = 4,631,794,030.39
  5. Step 5: Solve for x
    x = 4,631,794,030.39/85,984.56
  6. Step 6: Final answer
    x = 53,867.74

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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.