Home / 99,831.84-149,706.42-40,627.32

Finding the Fourth Proportional to 99,831.84, 149,706.42 and 40,627.32

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Solution

The fourth proportional to 99,831.84, 149,706.42 and 40,627.32 is: 60,924.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,831.84 : 149,706.42 = 40,627.32 : x
  2. Step 2: Convert to fraction form
    99,831.84/149,706.42 = 40,627.32/x
  3. Step 3: Cross multiply
    99,831.84x = 149,706.42 × 40,627.32
  4. Step 4: Simplify right side
    99,831.84x = 6,082,170,631.39
  5. Step 5: Solve for x
    x = 6,082,170,631.39/99,831.84
  6. Step 6: Final answer
    x = 60,924.16

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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.