Home / 49,935.21-74,903.02-12,495.18

Finding the Fourth Proportional to 49,935.21, 74,903.02 and 12,495.18

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Solution

The fourth proportional to 49,935.21, 74,903.02 and 12,495.18 is: 18,742.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,935.21 : 74,903.02 = 12,495.18 : x
  2. Step 2: Convert to fraction form
    49,935.21/74,903.02 = 12,495.18/x
  3. Step 3: Cross multiply
    49,935.21x = 74,903.02 × 12,495.18
  4. Step 4: Simplify right side
    49,935.21x = 935,926,717.44
  5. Step 5: Solve for x
    x = 935,926,717.44/49,935.21
  6. Step 6: Final answer
    x = 18,742.82

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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.