Home / 112,644.56-169,025.09-49,509.02

Finding the Fourth Proportional to 112,644.56, 169,025.09 and 49,509.02

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Solution

The fourth proportional to 112,644.56, 169,025.09 and 49,509.02 is: 74,289.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,644.56 : 169,025.09 = 49,509.02 : x
  2. Step 2: Convert to fraction form
    112,644.56/169,025.09 = 49,509.02/x
  3. Step 3: Cross multiply
    112,644.56x = 169,025.09 × 49,509.02
  4. Step 4: Simplify right side
    112,644.56x = 8,368,265,839.96
  5. Step 5: Solve for x
    x = 8,368,265,839.96/112,644.56
  6. Step 6: Final answer
    x = 74,289.12

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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.