Home / 51,704.44-77,557.02-28,318.12

Finding the Fourth Proportional to 51,704.44, 77,557.02 and 28,318.12

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Solution

The fourth proportional to 51,704.44, 77,557.02 and 28,318.12 is: 42,477.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,704.44 : 77,557.02 = 28,318.12 : x
  2. Step 2: Convert to fraction form
    51,704.44/77,557.02 = 28,318.12/x
  3. Step 3: Cross multiply
    51,704.44x = 77,557.02 × 28,318.12
  4. Step 4: Simplify right side
    51,704.44x = 2,196,268,999.20
  5. Step 5: Solve for x
    x = 2,196,268,999.20/51,704.44
  6. Step 6: Final answer
    x = 42,477.38

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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.