Home / 56,043.75-77,340.38-30,893.79

Finding the Fourth Proportional to 56,043.75, 77,340.38 and 30,893.79

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Solution

The fourth proportional to 56,043.75, 77,340.38 and 30,893.79 is: 42,633.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,043.75 : 77,340.38 = 30,893.79 : x
  2. Step 2: Convert to fraction form
    56,043.75/77,340.38 = 30,893.79/x
  3. Step 3: Cross multiply
    56,043.75x = 77,340.38 × 30,893.79
  4. Step 4: Simplify right side
    56,043.75x = 2,389,337,303.77
  5. Step 5: Solve for x
    x = 2,389,337,303.77/56,043.75
  6. Step 6: Final answer
    x = 42,633.43

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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.