Home / 97,840.07-135,016.88-54,821.32

Finding the Fourth Proportional to 97,840.07, 135,016.88 and 54,821.32

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Solution

The fourth proportional to 97,840.07, 135,016.88 and 54,821.32 is: 75,652.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,840.07 : 135,016.88 = 54,821.32 : x
  2. Step 2: Convert to fraction form
    97,840.07/135,016.88 = 54,821.32/x
  3. Step 3: Cross multiply
    97,840.07x = 135,016.88 × 54,821.32
  4. Step 4: Simplify right side
    97,840.07x = 7,401,803,731.70
  5. Step 5: Solve for x
    x = 7,401,803,731.70/97,840.07
  6. Step 6: Final answer
    x = 75,652.07

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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.