Home / 57,749.74-79,689.36-33,872.02

Finding the Fourth Proportional to 57,749.74, 79,689.36 and 33,872.02

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Solution

The fourth proportional to 57,749.74, 79,689.36 and 33,872.02 is: 46,740.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,749.74 : 79,689.36 = 33,872.02 : x
  2. Step 2: Convert to fraction form
    57,749.74/79,689.36 = 33,872.02/x
  3. Step 3: Cross multiply
    57,749.74x = 79,689.36 × 33,872.02
  4. Step 4: Simplify right side
    57,749.74x = 2,699,239,595.71
  5. Step 5: Solve for x
    x = 2,699,239,595.71/57,749.74
  6. Step 6: Final answer
    x = 46,740.29

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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.