Home / 74,222.31-102,433.27-40,694.79

Finding the Fourth Proportional to 74,222.31, 102,433.27 and 40,694.79

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Solution

The fourth proportional to 74,222.31, 102,433.27 and 40,694.79 is: 56,162.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,222.31 : 102,433.27 = 40,694.79 : x
  2. Step 2: Convert to fraction form
    74,222.31/102,433.27 = 40,694.79/x
  3. Step 3: Cross multiply
    74,222.31x = 102,433.27 × 40,694.79
  4. Step 4: Simplify right side
    74,222.31x = 4,168,500,411.66
  5. Step 5: Solve for x
    x = 4,168,500,411.66/74,222.31
  6. Step 6: Final answer
    x = 56,162.36

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1.5x scale

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.