Home / 99,704.10-149,541.96-28,632.94

Finding the Fourth Proportional to 99,704.10, 149,541.96 and 28,632.94

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Solution

The fourth proportional to 99,704.10, 149,541.96 and 28,632.94 is: 42,945.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,704.10 : 149,541.96 = 28,632.94 : x
  2. Step 2: Convert to fraction form
    99,704.10/149,541.96 = 28,632.94/x
  3. Step 3: Cross multiply
    99,704.10x = 149,541.96 × 28,632.94
  4. Step 4: Simplify right side
    99,704.10x = 4,281,825,968.16
  5. Step 5: Solve for x
    x = 4,281,825,968.16/99,704.10
  6. Step 6: Final answer
    x = 42,945.33

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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.