Home / 99,153.42-148,582.45-54,792.86

Finding the Fourth Proportional to 99,153.42, 148,582.45 and 54,792.86

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Solution

The fourth proportional to 99,153.42, 148,582.45 and 54,792.86 is: 82,107.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,153.42 : 148,582.45 = 54,792.86 : x
  2. Step 2: Convert to fraction form
    99,153.42/148,582.45 = 54,792.86/x
  3. Step 3: Cross multiply
    99,153.42x = 148,582.45 × 54,792.86
  4. Step 4: Simplify right side
    99,153.42x = 8,141,256,706.89
  5. Step 5: Solve for x
    x = 8,141,256,706.89/99,153.42
  6. Step 6: Final answer
    x = 82,107.68

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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.