Home / 122,541.68-183,554.19-56,037.78

Finding the Fourth Proportional to 122,541.68, 183,554.19 and 56,037.78

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Solution

The fourth proportional to 122,541.68, 183,554.19 and 56,037.78 is: 83,938.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,541.68 : 183,554.19 = 56,037.78 : x
  2. Step 2: Convert to fraction form
    122,541.68/183,554.19 = 56,037.78/x
  3. Step 3: Cross multiply
    122,541.68x = 183,554.19 × 56,037.78
  4. Step 4: Simplify right side
    122,541.68x = 10,285,969,317.30
  5. Step 5: Solve for x
    x = 10,285,969,317.30/122,541.68
  6. Step 6: Final answer
    x = 83,938.54

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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.