Home / 56,415.20-84,622.80-33,087.20

Finding the Fourth Proportional to 56,415.20, 84,622.80 and 33,087.20

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Solution

The fourth proportional to 56,415.20, 84,622.80 and 33,087.20 is: 49,630.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,415.20 : 84,622.80 = 33,087.20 : x
  2. Step 2: Convert to fraction form
    56,415.20/84,622.80 = 33,087.20/x
  3. Step 3: Cross multiply
    56,415.20x = 84,622.80 × 33,087.20
  4. Step 4: Simplify right side
    56,415.20x = 2,799,931,508.16
  5. Step 5: Solve for x
    x = 2,799,931,508.16/56,415.20
  6. Step 6: Final answer
    x = 49,630.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.