Home / 85,028.63-117,349.59-48,743.06

Finding the Fourth Proportional to 85,028.63, 117,349.59 and 48,743.06

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Solution

The fourth proportional to 85,028.63, 117,349.59 and 48,743.06 is: 67,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,028.63 : 117,349.59 = 48,743.06 : x
  2. Step 2: Convert to fraction form
    85,028.63/117,349.59 = 48,743.06/x
  3. Step 3: Cross multiply
    85,028.63x = 117,349.59 × 48,743.06
  4. Step 4: Simplify right side
    85,028.63x = 5,719,978,106.35
  5. Step 5: Solve for x
    x = 5,719,978,106.35/85,028.63
  6. Step 6: Final answer
    x = 67,271.20

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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.