Home / 57,573.48-86,287.62-30,853.20

Finding the Fourth Proportional to 57,573.48, 86,287.62 and 30,853.20

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Solution

The fourth proportional to 57,573.48, 86,287.62 and 30,853.20 is: 46,240.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,573.48 : 86,287.62 = 30,853.20 : x
  2. Step 2: Convert to fraction form
    57,573.48/86,287.62 = 30,853.20/x
  3. Step 3: Cross multiply
    57,573.48x = 86,287.62 × 30,853.20
  4. Step 4: Simplify right side
    57,573.48x = 2,662,249,197.38
  5. Step 5: Solve for x
    x = 2,662,249,197.38/57,573.48
  6. Step 6: Final answer
    x = 46,240.89

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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.