Home / 55,719.36-83,613.60-49,982.40

Finding the Fourth Proportional to 55,719.36, 83,613.60 and 49,982.40

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Solution

The fourth proportional to 55,719.36, 83,613.60 and 49,982.40 is: 75,004.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,719.36 : 83,613.60 = 49,982.40 : x
  2. Step 2: Convert to fraction form
    55,719.36/83,613.60 = 49,982.40/x
  3. Step 3: Cross multiply
    55,719.36x = 83,613.60 × 49,982.40
  4. Step 4: Simplify right side
    55,719.36x = 4,179,208,400.64
  5. Step 5: Solve for x
    x = 4,179,208,400.64/55,719.36
  6. Step 6: Final answer
    x = 75,004.60

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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.