Home / 105,695.96-145,867.24-57,949.44

Finding the Fourth Proportional to 105,695.96, 145,867.24 and 57,949.44

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Solution

The fourth proportional to 105,695.96, 145,867.24 and 57,949.44 is: 79,973.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,695.96 : 145,867.24 = 57,949.44 : x
  2. Step 2: Convert to fraction form
    105,695.96/145,867.24 = 57,949.44/x
  3. Step 3: Cross multiply
    105,695.96x = 145,867.24 × 57,949.44
  4. Step 4: Simplify right side
    105,695.96x = 8,452,924,872.35
  5. Step 5: Solve for x
    x = 8,452,924,872.35/105,695.96
  6. Step 6: Final answer
    x = 79,973.96

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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.