Home / 80,220.52-110,701.81-43,920.37

Finding the Fourth Proportional to 80,220.52, 110,701.81 and 43,920.37

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Solution

The fourth proportional to 80,220.52, 110,701.81 and 43,920.37 is: 60,608.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,220.52 : 110,701.81 = 43,920.37 : x
  2. Step 2: Convert to fraction form
    80,220.52/110,701.81 = 43,920.37/x
  3. Step 3: Cross multiply
    80,220.52x = 110,701.81 × 43,920.37
  4. Step 4: Simplify right side
    80,220.52x = 4,862,064,068.31
  5. Step 5: Solve for x
    x = 4,862,064,068.31/80,220.52
  6. Step 6: Final answer
    x = 60,608.73

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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.