Home / 97,908.48-135,119.04-55,475.28

Finding the Fourth Proportional to 97,908.48, 135,119.04 and 55,475.28

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Solution

The fourth proportional to 97,908.48, 135,119.04 and 55,475.28 is: 76,558.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,908.48 : 135,119.04 = 55,475.28 : x
  2. Step 2: Convert to fraction form
    97,908.48/135,119.04 = 55,475.28/x
  3. Step 3: Cross multiply
    97,908.48x = 135,119.04 × 55,475.28
  4. Step 4: Simplify right side
    97,908.48x = 7,495,766,577.33
  5. Step 5: Solve for x
    x = 7,495,766,577.33/97,908.48
  6. Step 6: Final answer
    x = 76,558.91

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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.