Home / 72,907.36-100,612.16-41,076.24

Finding the Fourth Proportional to 72,907.36, 100,612.16 and 41,076.24

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Solution

The fourth proportional to 72,907.36, 100,612.16 and 41,076.24 is: 56,685.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,907.36 : 100,612.16 = 41,076.24 : x
  2. Step 2: Convert to fraction form
    72,907.36/100,612.16 = 41,076.24/x
  3. Step 3: Cross multiply
    72,907.36x = 100,612.16 × 41,076.24
  4. Step 4: Simplify right side
    72,907.36x = 4,132,769,231.08
  5. Step 5: Solve for x
    x = 4,132,769,231.08/72,907.36
  6. Step 6: Final answer
    x = 56,685.21

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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.