Home / 57,718.90-79,638.56-35,057.26

Finding the Fourth Proportional to 57,718.90, 79,638.56 and 35,057.26

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Solution

The fourth proportional to 57,718.90, 79,638.56 and 35,057.26 is: 48,370.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,718.90 : 79,638.56 = 35,057.26 : x
  2. Step 2: Convert to fraction form
    57,718.90/79,638.56 = 35,057.26/x
  3. Step 3: Cross multiply
    57,718.90x = 79,638.56 × 35,057.26
  4. Step 4: Simplify right side
    57,718.90x = 2,791,909,703.95
  5. Step 5: Solve for x
    x = 2,791,909,703.95/57,718.90
  6. Step 6: Final answer
    x = 48,370.81

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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.