Home / 51,671.08-77,441.58-27,977.68

Finding the Fourth Proportional to 51,671.08, 77,441.58 and 27,977.68

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Solution

The fourth proportional to 51,671.08, 77,441.58 and 27,977.68 is: 41,931.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,671.08 : 77,441.58 = 27,977.68 : x
  2. Step 2: Convert to fraction form
    51,671.08/77,441.58 = 27,977.68/x
  3. Step 3: Cross multiply
    51,671.08x = 77,441.58 × 27,977.68
  4. Step 4: Simplify right side
    51,671.08x = 2,166,635,743.93
  5. Step 5: Solve for x
    x = 2,166,635,743.93/51,671.08
  6. Step 6: Final answer
    x = 41,931.30

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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.