Home / 104,805.28-144,632.16-57,058.96

Finding the Fourth Proportional to 104,805.28, 144,632.16 and 57,058.96

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Solution

The fourth proportional to 104,805.28, 144,632.16 and 57,058.96 is: 78,741.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,805.28 : 144,632.16 = 57,058.96 : x
  2. Step 2: Convert to fraction form
    104,805.28/144,632.16 = 57,058.96/x
  3. Step 3: Cross multiply
    104,805.28x = 144,632.16 × 57,058.96
  4. Step 4: Simplify right side
    104,805.28x = 8,252,560,632.15
  5. Step 5: Solve for x
    x = 8,252,560,632.15/104,805.28
  6. Step 6: Final answer
    x = 78,741.84

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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.