Home / 56,183.60-77,533.63-30,690.32

Finding the Fourth Proportional to 56,183.60, 77,533.63 and 30,690.32

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Solution

The fourth proportional to 56,183.60, 77,533.63 and 30,690.32 is: 42,352.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,183.60 : 77,533.63 = 30,690.32 : x
  2. Step 2: Convert to fraction form
    56,183.60/77,533.63 = 30,690.32/x
  3. Step 3: Cross multiply
    56,183.60x = 77,533.63 × 30,690.32
  4. Step 4: Simplify right side
    56,183.60x = 2,379,531,914.45
  5. Step 5: Solve for x
    x = 2,379,531,914.45/56,183.60
  6. Step 6: Final answer
    x = 42,352.78

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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.