Home / 104,827.32-144,664.92-57,077.64

Finding the Fourth Proportional to 104,827.32, 144,664.92 and 57,077.64

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Solution

The fourth proportional to 104,827.32, 144,664.92 and 57,077.64 is: 78,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,827.32 : 144,664.92 = 57,077.64 : x
  2. Step 2: Convert to fraction form
    104,827.32/144,664.92 = 57,077.64/x
  3. Step 3: Cross multiply
    104,827.32x = 144,664.92 × 57,077.64
  4. Step 4: Simplify right side
    104,827.32x = 8,257,132,224.39
  5. Step 5: Solve for x
    x = 8,257,132,224.39/104,827.32
  6. Step 6: Final answer
    x = 78,768.90

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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.