Home / 80,537.47-111,131.64-44,722.60

Finding the Fourth Proportional to 80,537.47, 111,131.64 and 44,722.60

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Solution

The fourth proportional to 80,537.47, 111,131.64 and 44,722.60 is: 61,711.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,537.47 : 111,131.64 = 44,722.60 : x
  2. Step 2: Convert to fraction form
    80,537.47/111,131.64 = 44,722.60/x
  3. Step 3: Cross multiply
    80,537.47x = 111,131.64 × 44,722.60
  4. Step 4: Simplify right side
    80,537.47x = 4,970,095,605.23
  5. Step 5: Solve for x
    x = 4,970,095,605.23/80,537.47
  6. Step 6: Final answer
    x = 61,711.60

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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.