Home / 53,172.98-73,365.87-35,021.78

Finding the Fourth Proportional to 53,172.98, 73,365.87 and 35,021.78

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Solution

The fourth proportional to 53,172.98, 73,365.87 and 35,021.78 is: 48,321.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,172.98 : 73,365.87 = 35,021.78 : x
  2. Step 2: Convert to fraction form
    53,172.98/73,365.87 = 35,021.78/x
  3. Step 3: Cross multiply
    53,172.98x = 73,365.87 × 35,021.78
  4. Step 4: Simplify right side
    53,172.98x = 2,569,403,358.65
  5. Step 5: Solve for x
    x = 2,569,403,358.65/53,172.98
  6. Step 6: Final answer
    x = 48,321.60

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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.