Home / 57,928.21-86,743.37-40,133.52

Finding the Fourth Proportional to 57,928.21, 86,743.37 and 40,133.52

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Solution

The fourth proportional to 57,928.21, 86,743.37 and 40,133.52 is: 60,097.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,928.21 : 86,743.37 = 40,133.52 : x
  2. Step 2: Convert to fraction form
    57,928.21/86,743.37 = 40,133.52/x
  3. Step 3: Cross multiply
    57,928.21x = 86,743.37 × 40,133.52
  4. Step 4: Simplify right side
    57,928.21x = 3,481,316,875.10
  5. Step 5: Solve for x
    x = 3,481,316,875.10/57,928.21
  6. Step 6: Final answer
    x = 60,097.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.