Home / 57,690.16-86,615.73-29,629.59

Finding the Fourth Proportional to 57,690.16, 86,615.73 and 29,629.59

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Solution

The fourth proportional to 57,690.16, 86,615.73 and 29,629.59 is: 44,485.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,690.16 : 86,615.73 = 29,629.59 : x
  2. Step 2: Convert to fraction form
    57,690.16/86,615.73 = 29,629.59/x
  3. Step 3: Cross multiply
    57,690.16x = 86,615.73 × 29,629.59
  4. Step 4: Simplify right side
    57,690.16x = 2,566,388,567.45
  5. Step 5: Solve for x
    x = 2,566,388,567.45/57,690.16
  6. Step 6: Final answer
    x = 44,485.72

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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.