Home / 62,619.08-86,420.31-35,765.60

Finding the Fourth Proportional to 62,619.08, 86,420.31 and 35,765.60

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Solution

The fourth proportional to 62,619.08, 86,420.31 and 35,765.60 is: 49,359.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,619.08 : 86,420.31 = 35,765.60 : x
  2. Step 2: Convert to fraction form
    62,619.08/86,420.31 = 35,765.60/x
  3. Step 3: Cross multiply
    62,619.08x = 86,420.31 × 35,765.60
  4. Step 4: Simplify right side
    62,619.08x = 3,090,874,239.34
  5. Step 5: Solve for x
    x = 3,090,874,239.34/62,619.08
  6. Step 6: Final answer
    x = 49,359.94

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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.