Home / 97,911.06-135,120.60-54,892.37

Finding the Fourth Proportional to 97,911.06, 135,120.60 and 54,892.37

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Solution

The fourth proportional to 97,911.06, 135,120.60 and 54,892.37 is: 75,753.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,911.06 : 135,120.60 = 54,892.37 : x
  2. Step 2: Convert to fraction form
    97,911.06/135,120.60 = 54,892.37/x
  3. Step 3: Cross multiply
    97,911.06x = 135,120.60 × 54,892.37
  4. Step 4: Simplify right side
    97,911.06x = 7,417,089,294.22
  5. Step 5: Solve for x
    x = 7,417,089,294.22/97,911.06
  6. Step 6: Final answer
    x = 75,753.33

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1.5x scale

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.