Home / 105,074.60-144,997.62-57,327.56

Finding the Fourth Proportional to 105,074.60, 144,997.62 and 57,327.56

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Solution

The fourth proportional to 105,074.60, 144,997.62 and 57,327.56 is: 79,109.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,074.60 : 144,997.62 = 57,327.56 : x
  2. Step 2: Convert to fraction form
    105,074.60/144,997.62 = 57,327.56/x
  3. Step 3: Cross multiply
    105,074.60x = 144,997.62 × 57,327.56
  4. Step 4: Simplify right side
    105,074.60x = 8,312,359,760.41
  5. Step 5: Solve for x
    x = 8,312,359,760.41/105,074.60
  6. Step 6: Final answer
    x = 79,109.13

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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.