Home / 72,020.50-108,170.80-58,703.27

Finding the Fourth Proportional to 72,020.50, 108,170.80 and 58,703.27

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Solution

The fourth proportional to 72,020.50, 108,170.80 and 58,703.27 is: 88,169.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,020.50 : 108,170.80 = 58,703.27 : x
  2. Step 2: Convert to fraction form
    72,020.50/108,170.80 = 58,703.27/x
  3. Step 3: Cross multiply
    72,020.50x = 108,170.80 × 58,703.27
  4. Step 4: Simplify right side
    72,020.50x = 6,349,978,990.90
  5. Step 5: Solve for x
    x = 6,349,978,990.90/72,020.50
  6. Step 6: Final answer
    x = 88,169.05

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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.