Home / 56,178.60-77,517.16-33,205.20

Finding the Fourth Proportional to 56,178.60, 77,517.16 and 33,205.20

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Solution

The fourth proportional to 56,178.60, 77,517.16 and 33,205.20 is: 45,817.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,178.60 : 77,517.16 = 33,205.20 : x
  2. Step 2: Convert to fraction form
    56,178.60/77,517.16 = 33,205.20/x
  3. Step 3: Cross multiply
    56,178.60x = 77,517.16 × 33,205.20
  4. Step 4: Simplify right side
    56,178.60x = 2,573,972,801.23
  5. Step 5: Solve for x
    x = 2,573,972,801.23/56,178.60
  6. Step 6: Final answer
    x = 45,817.67

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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.