Home / 90,598.37-135,908.36-43,817.63

Finding the Fourth Proportional to 90,598.37, 135,908.36 and 43,817.63

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Solution

The fourth proportional to 90,598.37, 135,908.36 and 43,817.63 is: 65,731.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,598.37 : 135,908.36 = 43,817.63 : x
  2. Step 2: Convert to fraction form
    90,598.37/135,908.36 = 43,817.63/x
  3. Step 3: Cross multiply
    90,598.37x = 135,908.36 × 43,817.63
  4. Step 4: Simplify right side
    90,598.37x = 5,955,182,232.39
  5. Step 5: Solve for x
    x = 5,955,182,232.39/90,598.37
  6. Step 6: Final answer
    x = 65,731.67

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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.