Home / 57,764.13-79,714.49-31,268.13

Finding the Fourth Proportional to 57,764.13, 79,714.49 and 31,268.13

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Solution

The fourth proportional to 57,764.13, 79,714.49 and 31,268.13 is: 43,150.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,764.13 : 79,714.49 = 31,268.13 : x
  2. Step 2: Convert to fraction form
    57,764.13/79,714.49 = 31,268.13/x
  3. Step 3: Cross multiply
    57,764.13x = 79,714.49 × 31,268.13
  4. Step 4: Simplify right side
    57,764.13x = 2,492,523,036.20
  5. Step 5: Solve for x
    x = 2,492,523,036.20/57,764.13
  6. Step 6: Final answer
    x = 43,150.01

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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.