Home / 99,128.72-148,577.88-36,759.44

Finding the Fourth Proportional to 99,128.72, 148,577.88 and 36,759.44

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Solution

The fourth proportional to 99,128.72, 148,577.88 and 36,759.44 is: 55,096.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,128.72 : 148,577.88 = 36,759.44 : x
  2. Step 2: Convert to fraction form
    99,128.72/148,577.88 = 36,759.44/x
  3. Step 3: Cross multiply
    99,128.72x = 148,577.88 × 36,759.44
  4. Step 4: Simplify right side
    99,128.72x = 5,461,639,665.19
  5. Step 5: Solve for x
    x = 5,461,639,665.19/99,128.72
  6. Step 6: Final answer
    x = 55,096.44

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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.