Home / 53,121.64-79,643.40-32,069.20

Finding the Fourth Proportional to 53,121.64, 79,643.40 and 32,069.20

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Solution

The fourth proportional to 53,121.64, 79,643.40 and 32,069.20 is: 48,080.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,121.64 : 79,643.40 = 32,069.20 : x
  2. Step 2: Convert to fraction form
    53,121.64/79,643.40 = 32,069.20/x
  3. Step 3: Cross multiply
    53,121.64x = 79,643.40 × 32,069.20
  4. Step 4: Simplify right side
    53,121.64x = 2,554,100,123.28
  5. Step 5: Solve for x
    x = 2,554,100,123.28/53,121.64
  6. Step 6: Final answer
    x = 48,080.22

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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.