Home / 74,288.02-102,516.60-40,295.87

Finding the Fourth Proportional to 74,288.02, 102,516.60 and 40,295.87

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Solution

The fourth proportional to 74,288.02, 102,516.60 and 40,295.87 is: 55,607.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,288.02 : 102,516.60 = 40,295.87 : x
  2. Step 2: Convert to fraction form
    74,288.02/102,516.60 = 40,295.87/x
  3. Step 3: Cross multiply
    74,288.02x = 102,516.60 × 40,295.87
  4. Step 4: Simplify right side
    74,288.02x = 4,130,995,586.44
  5. Step 5: Solve for x
    x = 4,130,995,586.44/74,288.02
  6. Step 6: Final answer
    x = 55,607.83

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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.