Home / 57,867.36-86,660.85-40,048.08

Finding the Fourth Proportional to 57,867.36, 86,660.85 and 40,048.08

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Solution

The fourth proportional to 57,867.36, 86,660.85 and 40,048.08 is: 59,975.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,867.36 : 86,660.85 = 40,048.08 : x
  2. Step 2: Convert to fraction form
    57,867.36/86,660.85 = 40,048.08/x
  3. Step 3: Cross multiply
    57,867.36x = 86,660.85 × 40,048.08
  4. Step 4: Simplify right side
    57,867.36x = 3,470,600,653.67
  5. Step 5: Solve for x
    x = 3,470,600,653.67/57,867.36
  6. Step 6: Final answer
    x = 59,975.10

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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.