Home / 57,829.20-86,743.80-35,570.40

Finding the Fourth Proportional to 57,829.20, 86,743.80 and 35,570.40

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Solution

The fourth proportional to 57,829.20, 86,743.80 and 35,570.40 is: 53,355.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,829.20 : 86,743.80 = 35,570.40 : x
  2. Step 2: Convert to fraction form
    57,829.20/86,743.80 = 35,570.40/x
  3. Step 3: Cross multiply
    57,829.20x = 86,743.80 × 35,570.40
  4. Step 4: Simplify right side
    57,829.20x = 3,085,511,663.52
  5. Step 5: Solve for x
    x = 3,085,511,663.52/57,829.20
  6. Step 6: Final answer
    x = 53,355.60

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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.