Home / 66,598.05-91,903.76-36,383.53

Finding the Fourth Proportional to 66,598.05, 91,903.76 and 36,383.53

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Solution

The fourth proportional to 66,598.05, 91,903.76 and 36,383.53 is: 50,208.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,598.05 : 91,903.76 = 36,383.53 : x
  2. Step 2: Convert to fraction form
    66,598.05/91,903.76 = 36,383.53/x
  3. Step 3: Cross multiply
    66,598.05x = 91,903.76 × 36,383.53
  4. Step 4: Simplify right side
    66,598.05x = 3,343,783,310.81
  5. Step 5: Solve for x
    x = 3,343,783,310.81/66,598.05
  6. Step 6: Final answer
    x = 50,208.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.