Home / 77,523.24-106,982.74-45,280.38

Finding the Fourth Proportional to 77,523.24, 106,982.74 and 45,280.38

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Solution

The fourth proportional to 77,523.24, 106,982.74 and 45,280.38 is: 62,487.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,523.24 : 106,982.74 = 45,280.38 : x
  2. Step 2: Convert to fraction form
    77,523.24/106,982.74 = 45,280.38/x
  3. Step 3: Cross multiply
    77,523.24x = 106,982.74 × 45,280.38
  4. Step 4: Simplify right side
    77,523.24x = 4,844,219,120.64
  5. Step 5: Solve for x
    x = 4,844,219,120.64/77,523.24
  6. Step 6: Final answer
    x = 62,487.32

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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.