Home / 57,321.33-79,104.24-31,482.02

Finding the Fourth Proportional to 57,321.33, 79,104.24 and 31,482.02

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Solution

The fourth proportional to 57,321.33, 79,104.24 and 31,482.02 is: 43,445.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,321.33 : 79,104.24 = 31,482.02 : x
  2. Step 2: Convert to fraction form
    57,321.33/79,104.24 = 31,482.02/x
  3. Step 3: Cross multiply
    57,321.33x = 79,104.24 × 31,482.02
  4. Step 4: Simplify right side
    57,321.33x = 2,490,360,870.24
  5. Step 5: Solve for x
    x = 2,490,360,870.24/57,321.33
  6. Step 6: Final answer
    x = 43,445.62

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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.