Home / 54,639.50-81,871.16-43,004.66

Finding the Fourth Proportional to 54,639.50, 81,871.16 and 43,004.66

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Solution

The fourth proportional to 54,639.50, 81,871.16 and 43,004.66 is: 64,437.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,639.50 : 81,871.16 = 43,004.66 : x
  2. Step 2: Convert to fraction form
    54,639.50/81,871.16 = 43,004.66/x
  3. Step 3: Cross multiply
    54,639.50x = 81,871.16 × 43,004.66
  4. Step 4: Simplify right side
    54,639.50x = 3,520,840,775.23
  5. Step 5: Solve for x
    x = 3,520,840,775.23/54,639.50
  6. Step 6: Final answer
    x = 64,437.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.