Home / 74,521.28-111,831.16-35,089.68

Finding the Fourth Proportional to 74,521.28, 111,831.16 and 35,089.68

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Solution

The fourth proportional to 74,521.28, 111,831.16 and 35,089.68 is: 52,657.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,521.28 : 111,831.16 = 35,089.68 : x
  2. Step 2: Convert to fraction form
    74,521.28/111,831.16 = 35,089.68/x
  3. Step 3: Cross multiply
    74,521.28x = 111,831.16 × 35,089.68
  4. Step 4: Simplify right side
    74,521.28x = 3,924,119,618.43
  5. Step 5: Solve for x
    x = 3,924,119,618.43/74,521.28
  6. Step 6: Final answer
    x = 52,657.71

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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.