Home / 57,130.25-85,728.17-44,615.15

Finding the Fourth Proportional to 57,130.25, 85,728.17 and 44,615.15

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Solution

The fourth proportional to 57,130.25, 85,728.17 and 44,615.15 is: 66,948.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,130.25 : 85,728.17 = 44,615.15 : x
  2. Step 2: Convert to fraction form
    57,130.25/85,728.17 = 44,615.15/x
  3. Step 3: Cross multiply
    57,130.25x = 85,728.17 × 44,615.15
  4. Step 4: Simplify right side
    57,130.25x = 3,824,774,512.06
  5. Step 5: Solve for x
    x = 3,824,774,512.06/57,130.25
  6. Step 6: Final answer
    x = 66,948.33

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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.