Home / 89,770.02-123,906.47-53,008.45

Finding the Fourth Proportional to 89,770.02, 123,906.47 and 53,008.45

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Solution

The fourth proportional to 89,770.02, 123,906.47 and 53,008.45 is: 73,165.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,770.02 : 123,906.47 = 53,008.45 : x
  2. Step 2: Convert to fraction form
    89,770.02/123,906.47 = 53,008.45/x
  3. Step 3: Cross multiply
    89,770.02x = 123,906.47 × 53,008.45
  4. Step 4: Simplify right side
    89,770.02x = 6,568,089,035.10
  5. Step 5: Solve for x
    x = 6,568,089,035.10/89,770.02
  6. Step 6: Final answer
    x = 73,165.73

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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.