Home / 57,878.08-86,831.68-26,735.36

Finding the Fourth Proportional to 57,878.08, 86,831.68 and 26,735.36

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Solution

The fourth proportional to 57,878.08, 86,831.68 and 26,735.36 is: 40,109.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,878.08 : 86,831.68 = 26,735.36 : x
  2. Step 2: Convert to fraction form
    57,878.08/86,831.68 = 26,735.36/x
  3. Step 3: Cross multiply
    57,878.08x = 86,831.68 × 26,735.36
  4. Step 4: Simplify right side
    57,878.08x = 2,321,476,224.20
  5. Step 5: Solve for x
    x = 2,321,476,224.20/57,878.08
  6. Step 6: Final answer
    x = 40,109.77

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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.