Home / 72,537.14-100,116.94-55,354.16

Finding the Fourth Proportional to 72,537.14, 100,116.94 and 55,354.16

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Solution

The fourth proportional to 72,537.14, 100,116.94 and 55,354.16 is: 76,400.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,537.14 : 100,116.94 = 55,354.16 : x
  2. Step 2: Convert to fraction form
    72,537.14/100,116.94 = 55,354.16/x
  3. Step 3: Cross multiply
    72,537.14x = 100,116.94 × 55,354.16
  4. Step 4: Simplify right side
    72,537.14x = 5,541,889,115.47
  5. Step 5: Solve for x
    x = 5,541,889,115.47/72,537.14
  6. Step 6: Final answer
    x = 76,400.71

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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.