Home / 57,117.16-78,839.46-35,914.60

Finding the Fourth Proportional to 57,117.16, 78,839.46 and 35,914.60

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Solution

The fourth proportional to 57,117.16, 78,839.46 and 35,914.60 is: 49,573.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,117.16 : 78,839.46 = 35,914.60 : x
  2. Step 2: Convert to fraction form
    57,117.16/78,839.46 = 35,914.60/x
  3. Step 3: Cross multiply
    57,117.16x = 78,839.46 × 35,914.60
  4. Step 4: Simplify right side
    57,117.16x = 2,831,487,670.12
  5. Step 5: Solve for x
    x = 2,831,487,670.12/57,117.16
  6. Step 6: Final answer
    x = 49,573.33

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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.