Home / 74,777.46-112,161.78-28,026.42

Finding the Fourth Proportional to 74,777.46, 112,161.78 and 28,026.42

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Solution

The fourth proportional to 74,777.46, 112,161.78 and 28,026.42 is: 42,037.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,777.46 : 112,161.78 = 28,026.42 : x
  2. Step 2: Convert to fraction form
    74,777.46/112,161.78 = 28,026.42/x
  3. Step 3: Cross multiply
    74,777.46x = 112,161.78 × 28,026.42
  4. Step 4: Simplify right side
    74,777.46x = 3,143,493,154.23
  5. Step 5: Solve for x
    x = 3,143,493,154.23/74,777.46
  6. Step 6: Final answer
    x = 42,037.98

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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.