Home / 56,073.84-77,380.92-30,580.41

Finding the Fourth Proportional to 56,073.84, 77,380.92 and 30,580.41

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Solution

The fourth proportional to 56,073.84, 77,380.92 and 30,580.41 is: 42,200.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,073.84 : 77,380.92 = 30,580.41 : x
  2. Step 2: Convert to fraction form
    56,073.84/77,380.92 = 30,580.41/x
  3. Step 3: Cross multiply
    56,073.84x = 77,380.92 × 30,580.41
  4. Step 4: Simplify right side
    56,073.84x = 2,366,340,259.78
  5. Step 5: Solve for x
    x = 2,366,340,259.78/56,073.84
  6. Step 6: Final answer
    x = 42,200.43

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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.