Home / 57,318.24-79,070.40-43,190.40

Finding the Fourth Proportional to 57,318.24, 79,070.40 and 43,190.40

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Solution

The fourth proportional to 57,318.24, 79,070.40 and 43,190.40 is: 59,581.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,318.24 : 79,070.40 = 43,190.40 : x
  2. Step 2: Convert to fraction form
    57,318.24/79,070.40 = 43,190.40/x
  3. Step 3: Cross multiply
    57,318.24x = 79,070.40 × 43,190.40
  4. Step 4: Simplify right side
    57,318.24x = 3,415,082,204.16
  5. Step 5: Solve for x
    x = 3,415,082,204.16/57,318.24
  6. Step 6: Final answer
    x = 59,581.07

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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.