Home / 64,905.96-89,569.02-36,611.64

Finding the Fourth Proportional to 64,905.96, 89,569.02 and 36,611.64

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Solution

The fourth proportional to 64,905.96, 89,569.02 and 36,611.64 is: 50,523.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,905.96 : 89,569.02 = 36,611.64 : x
  2. Step 2: Convert to fraction form
    64,905.96/89,569.02 = 36,611.64/x
  3. Step 3: Cross multiply
    64,905.96x = 89,569.02 × 36,611.64
  4. Step 4: Simplify right side
    64,905.96x = 3,279,268,715.39
  5. Step 5: Solve for x
    x = 3,279,268,715.39/64,905.96
  6. Step 6: Final answer
    x = 50,523.38

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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.