Home / 49,955.63-74,931.71-12,516.02

Finding the Fourth Proportional to 49,955.63, 74,931.71 and 12,516.02

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Solution

The fourth proportional to 49,955.63, 74,931.71 and 12,516.02 is: 18,773.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,955.63 : 74,931.71 = 12,516.02 : x
  2. Step 2: Convert to fraction form
    49,955.63/74,931.71 = 12,516.02/x
  3. Step 3: Cross multiply
    49,955.63x = 74,931.71 × 12,516.02
  4. Step 4: Simplify right side
    49,955.63x = 937,846,999.61
  5. Step 5: Solve for x
    x = 937,846,999.61/49,955.63
  6. Step 6: Final answer
    x = 18,773.60

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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.