Home / 53,412.40-80,118.60-44,729.20

Finding the Fourth Proportional to 53,412.40, 80,118.60 and 44,729.20

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Solution

The fourth proportional to 53,412.40, 80,118.60 and 44,729.20 is: 67,093.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,412.40 : 80,118.60 = 44,729.20 : x
  2. Step 2: Convert to fraction form
    53,412.40/80,118.60 = 44,729.20/x
  3. Step 3: Cross multiply
    53,412.40x = 80,118.60 × 44,729.20
  4. Step 4: Simplify right side
    53,412.40x = 3,583,640,883.12
  5. Step 5: Solve for x
    x = 3,583,640,883.12/53,412.40
  6. Step 6: Final answer
    x = 67,093.80

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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.