Home / 101,868.32-140,571.62-56,544.10

Finding the Fourth Proportional to 101,868.32, 140,571.62 and 56,544.10

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Solution

The fourth proportional to 101,868.32, 140,571.62 and 56,544.10 is: 78,027.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,868.32 : 140,571.62 = 56,544.10 : x
  2. Step 2: Convert to fraction form
    101,868.32/140,571.62 = 56,544.10/x
  3. Step 3: Cross multiply
    101,868.32x = 140,571.62 × 56,544.10
  4. Step 4: Simplify right side
    101,868.32x = 7,948,495,316.33
  5. Step 5: Solve for x
    x = 7,948,495,316.33/101,868.32
  6. Step 6: Final answer
    x = 78,027.15

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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.