Home / 104,515.32-144,232.23-56,769.60

Finding the Fourth Proportional to 104,515.32, 144,232.23 and 56,769.60

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Solution

The fourth proportional to 104,515.32, 144,232.23 and 56,769.60 is: 78,342.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,515.32 : 144,232.23 = 56,769.60 : x
  2. Step 2: Convert to fraction form
    104,515.32/144,232.23 = 56,769.60/x
  3. Step 3: Cross multiply
    104,515.32x = 144,232.23 × 56,769.60
  4. Step 4: Simplify right side
    104,515.32x = 8,188,006,004.21
  5. Step 5: Solve for x
    x = 8,188,006,004.21/104,515.32
  6. Step 6: Final answer
    x = 78,342.64

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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.