Home / 53,472.10-80,039.67-47,836.66

Finding the Fourth Proportional to 53,472.10, 80,039.67 and 47,836.66

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Solution

The fourth proportional to 53,472.10, 80,039.67 and 47,836.66 is: 71,604.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,472.10 : 80,039.67 = 47,836.66 : x
  2. Step 2: Convert to fraction form
    53,472.10/80,039.67 = 47,836.66/x
  3. Step 3: Cross multiply
    53,472.10x = 80,039.67 × 47,836.66
  4. Step 4: Simplify right side
    53,472.10x = 3,828,830,480.30
  5. Step 5: Solve for x
    x = 3,828,830,480.30/53,472.10
  6. Step 6: Final answer
    x = 71,604.27

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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.