Home / 56,025.21-77,290.29-36,880.32

Finding the Fourth Proportional to 56,025.21, 77,290.29 and 36,880.32

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Solution

The fourth proportional to 56,025.21, 77,290.29 and 36,880.32 is: 50,878.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,025.21 : 77,290.29 = 36,880.32 : x
  2. Step 2: Convert to fraction form
    56,025.21/77,290.29 = 36,880.32/x
  3. Step 3: Cross multiply
    56,025.21x = 77,290.29 × 36,880.32
  4. Step 4: Simplify right side
    56,025.21x = 2,850,490,628.09
  5. Step 5: Solve for x
    x = 2,850,490,628.09/56,025.21
  6. Step 6: Final answer
    x = 50,878.71

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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.