Home / 49,666.06-74,498.46-12,226.60

Finding the Fourth Proportional to 49,666.06, 74,498.46 and 12,226.60

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Solution

The fourth proportional to 49,666.06, 74,498.46 and 12,226.60 is: 18,339.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,666.06 : 74,498.46 = 12,226.60 : x
  2. Step 2: Convert to fraction form
    49,666.06/74,498.46 = 12,226.60/x
  3. Step 3: Cross multiply
    49,666.06x = 74,498.46 × 12,226.60
  4. Step 4: Simplify right side
    49,666.06x = 910,862,871.04
  5. Step 5: Solve for x
    x = 910,862,871.04/49,666.06
  6. Step 6: Final answer
    x = 18,339.74

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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.