Home / 74,582.15-111,869.57-27,831.38

Finding the Fourth Proportional to 74,582.15, 111,869.57 and 27,831.38

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Solution

The fourth proportional to 74,582.15, 111,869.57 and 27,831.38 is: 41,745.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,582.15 : 111,869.57 = 27,831.38 : x
  2. Step 2: Convert to fraction form
    74,582.15/111,869.57 = 27,831.38/x
  3. Step 3: Cross multiply
    74,582.15x = 111,869.57 × 27,831.38
  4. Step 4: Simplify right side
    74,582.15x = 3,113,484,023.34
  5. Step 5: Solve for x
    x = 3,113,484,023.34/74,582.15
  6. Step 6: Final answer
    x = 41,745.70

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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.