Home / 97,142.80-134,059.31-54,125.14

Finding the Fourth Proportional to 97,142.80, 134,059.31 and 54,125.14

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Solution

The fourth proportional to 97,142.80, 134,059.31 and 54,125.14 is: 74,693.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,142.80 : 134,059.31 = 54,125.14 : x
  2. Step 2: Convert to fraction form
    97,142.80/134,059.31 = 54,125.14/x
  3. Step 3: Cross multiply
    97,142.80x = 134,059.31 × 54,125.14
  4. Step 4: Simplify right side
    97,142.80x = 7,255,978,922.05
  5. Step 5: Solve for x
    x = 7,255,978,922.05/97,142.80
  6. Step 6: Final answer
    x = 74,693.94

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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.