Home / 75,276.96-112,932.72-25,355.76

Finding the Fourth Proportional to 75,276.96, 112,932.72 and 25,355.76

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Solution

The fourth proportional to 75,276.96, 112,932.72 and 25,355.76 is: 38,039.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,276.96 : 112,932.72 = 25,355.76 : x
  2. Step 2: Convert to fraction form
    75,276.96/112,932.72 = 25,355.76/x
  3. Step 3: Cross multiply
    75,276.96x = 112,932.72 × 25,355.76
  4. Step 4: Simplify right side
    75,276.96x = 2,863,494,944.47
  5. Step 5: Solve for x
    x = 2,863,494,944.47/75,276.96
  6. Step 6: Final answer
    x = 38,039.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.