Home / 57,431.16-79,273.08-52,969.68

Finding the Fourth Proportional to 57,431.16, 79,273.08 and 52,969.68

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Solution

The fourth proportional to 57,431.16, 79,273.08 and 52,969.68 is: 73,114.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,431.16 : 79,273.08 = 52,969.68 : x
  2. Step 2: Convert to fraction form
    57,431.16/79,273.08 = 52,969.68/x
  3. Step 3: Cross multiply
    57,431.16x = 79,273.08 × 52,969.68
  4. Step 4: Simplify right side
    57,431.16x = 4,199,069,680.21
  5. Step 5: Solve for x
    x = 4,199,069,680.21/57,431.16
  6. Step 6: Final answer
    x = 73,114.83

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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.