Home / 74,635.34-102,995.24-40,644.23

Finding the Fourth Proportional to 74,635.34, 102,995.24 and 40,644.23

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Solution

The fourth proportional to 74,635.34, 102,995.24 and 40,644.23 is: 56,088.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,635.34 : 102,995.24 = 40,644.23 : x
  2. Step 2: Convert to fraction form
    74,635.34/102,995.24 = 40,644.23/x
  3. Step 3: Cross multiply
    74,635.34x = 102,995.24 × 40,644.23
  4. Step 4: Simplify right side
    74,635.34x = 4,186,161,505.27
  5. Step 5: Solve for x
    x = 4,186,161,505.27/74,635.34
  6. Step 6: Final answer
    x = 56,088.20

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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.