Home / 74,222.81-102,433.96-40,695.29

Finding the Fourth Proportional to 74,222.81, 102,433.96 and 40,695.29

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Solution

The fourth proportional to 74,222.81, 102,433.96 and 40,695.29 is: 56,163.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,222.81 : 102,433.96 = 40,695.29 : x
  2. Step 2: Convert to fraction form
    74,222.81/102,433.96 = 40,695.29/x
  3. Step 3: Cross multiply
    74,222.81x = 102,433.96 × 40,695.29
  4. Step 4: Simplify right side
    74,222.81x = 4,168,579,708.05
  5. Step 5: Solve for x
    x = 4,168,579,708.05/74,222.81
  6. Step 6: Final answer
    x = 56,163.05

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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.