Home / 57,720.90-79,641.32-35,059.26

Finding the Fourth Proportional to 57,720.90, 79,641.32 and 35,059.26

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Solution

The fourth proportional to 57,720.90, 79,641.32 and 35,059.26 is: 48,373.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,720.90 : 79,641.32 = 35,059.26 : x
  2. Step 2: Convert to fraction form
    57,720.90/79,641.32 = 35,059.26/x
  3. Step 3: Cross multiply
    57,720.90x = 79,641.32 × 35,059.26
  4. Step 4: Simplify right side
    57,720.90x = 2,792,165,744.62
  5. Step 5: Solve for x
    x = 2,792,165,744.62/57,720.90
  6. Step 6: Final answer
    x = 48,373.57

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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.