Home / 53,690.40-80,449.20-44,877.60

Finding the Fourth Proportional to 53,690.40, 80,449.20 and 44,877.60

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Solution

The fourth proportional to 53,690.40, 80,449.20 and 44,877.60 is: 67,244.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,690.40 : 80,449.20 = 44,877.60 : x
  2. Step 2: Convert to fraction form
    53,690.40/80,449.20 = 44,877.60/x
  3. Step 3: Cross multiply
    53,690.40x = 80,449.20 × 44,877.60
  4. Step 4: Simplify right side
    53,690.40x = 3,610,367,017.92
  5. Step 5: Solve for x
    x = 3,610,367,017.92/53,690.40
  6. Step 6: Final answer
    x = 67,244.18

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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.