Home / 52,242.86-72,113.54-31,021.97

Finding the Fourth Proportional to 52,242.86, 72,113.54 and 31,021.97

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Solution

The fourth proportional to 52,242.86, 72,113.54 and 31,021.97 is: 42,821.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,242.86 : 72,113.54 = 31,021.97 : x
  2. Step 2: Convert to fraction form
    52,242.86/72,113.54 = 31,021.97/x
  3. Step 3: Cross multiply
    52,242.86x = 72,113.54 × 31,021.97
  4. Step 4: Simplify right side
    52,242.86x = 2,237,103,558.80
  5. Step 5: Solve for x
    x = 2,237,103,558.80/52,242.86
  6. Step 6: Final answer
    x = 42,821.23

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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.