Home / 53,690.40-74,080.96-32,469.20

Finding the Fourth Proportional to 53,690.40, 74,080.96 and 32,469.20

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Solution

The fourth proportional to 53,690.40, 74,080.96 and 32,469.20 is: 44,800.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,690.40 : 74,080.96 = 32,469.20 : x
  2. Step 2: Convert to fraction form
    53,690.40/74,080.96 = 32,469.20/x
  3. Step 3: Cross multiply
    53,690.40x = 74,080.96 × 32,469.20
  4. Step 4: Simplify right side
    53,690.40x = 2,405,349,506.43
  5. Step 5: Solve for x
    x = 2,405,349,506.43/53,690.40
  6. Step 6: Final answer
    x = 44,800.36

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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.