Home / 74,582.65-111,870.32-27,831.88

Finding the Fourth Proportional to 74,582.65, 111,870.32 and 27,831.88

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Solution

The fourth proportional to 74,582.65, 111,870.32 and 27,831.88 is: 41,746.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,582.65 : 111,870.32 = 27,831.88 : x
  2. Step 2: Convert to fraction form
    74,582.65/111,870.32 = 27,831.88/x
  3. Step 3: Cross multiply
    74,582.65x = 111,870.32 × 27,831.88
  4. Step 4: Simplify right side
    74,582.65x = 3,113,561,321.80
  5. Step 5: Solve for x
    x = 3,113,561,321.80/74,582.65
  6. Step 6: Final answer
    x = 41,746.46

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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.