Home / 56,456.10-77,880.06-33,784.20

Finding the Fourth Proportional to 56,456.10, 77,880.06 and 33,784.20

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Solution

The fourth proportional to 56,456.10, 77,880.06 and 33,784.20 is: 46,604.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,456.10 : 77,880.06 = 33,784.20 : x
  2. Step 2: Convert to fraction form
    56,456.10/77,880.06 = 33,784.20/x
  3. Step 3: Cross multiply
    56,456.10x = 77,880.06 × 33,784.20
  4. Step 4: Simplify right side
    56,456.10x = 2,631,115,523.05
  5. Step 5: Solve for x
    x = 2,631,115,523.05/56,456.10
  6. Step 6: Final answer
    x = 46,604.63

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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.