Home / 74,264.27-102,485.21-40,272.93

Finding the Fourth Proportional to 74,264.27, 102,485.21 and 40,272.93

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Solution

The fourth proportional to 74,264.27, 102,485.21 and 40,272.93 is: 55,576.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,264.27 : 102,485.21 = 40,272.93 : x
  2. Step 2: Convert to fraction form
    74,264.27/102,485.21 = 40,272.93/x
  3. Step 3: Cross multiply
    74,264.27x = 102,485.21 × 40,272.93
  4. Step 4: Simplify right side
    74,264.27x = 4,127,379,487.00
  5. Step 5: Solve for x
    x = 4,127,379,487.00/74,264.27
  6. Step 6: Final answer
    x = 55,576.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.