Home / 104,872.32-144,723.06-57,125.52

Finding the Fourth Proportional to 104,872.32, 144,723.06 and 57,125.52

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Solution

The fourth proportional to 104,872.32, 144,723.06 and 57,125.52 is: 78,832.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,872.32 : 144,723.06 = 57,125.52 : x
  2. Step 2: Convert to fraction form
    104,872.32/144,723.06 = 57,125.52/x
  3. Step 3: Cross multiply
    104,872.32x = 144,723.06 × 57,125.52
  4. Step 4: Simplify right side
    104,872.32x = 8,267,380,058.49
  5. Step 5: Solve for x
    x = 8,267,380,058.49/104,872.32
  6. Step 6: Final answer
    x = 78,832.81

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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.