Home / 57,720.66-79,640.96-35,059.02

Finding the Fourth Proportional to 57,720.66, 79,640.96 and 35,059.02

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Solution

The fourth proportional to 57,720.66, 79,640.96 and 35,059.02 is: 48,373.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,720.66 : 79,640.96 = 35,059.02 : x
  2. Step 2: Convert to fraction form
    57,720.66/79,640.96 = 35,059.02/x
  3. Step 3: Cross multiply
    57,720.66x = 79,640.96 × 35,059.02
  4. Step 4: Simplify right side
    57,720.66x = 2,792,134,009.46
  5. Step 5: Solve for x
    x = 2,792,134,009.46/57,720.66
  6. Step 6: Final answer
    x = 48,373.22

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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.