Home / 55,743.56-83,571.60-38,160.08

Finding the Fourth Proportional to 55,743.56, 83,571.60 and 38,160.08

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Solution

The fourth proportional to 55,743.56, 83,571.60 and 38,160.08 is: 57,210.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,743.56 : 83,571.60 = 38,160.08 : x
  2. Step 2: Convert to fraction form
    55,743.56/83,571.60 = 38,160.08/x
  3. Step 3: Cross multiply
    55,743.56x = 83,571.60 × 38,160.08
  4. Step 4: Simplify right side
    55,743.56x = 3,189,098,941.73
  5. Step 5: Solve for x
    x = 3,189,098,941.73/55,743.56
  6. Step 6: Final answer
    x = 57,210.18

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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.