Home / 97,913.06-135,123.36-54,894.37

Finding the Fourth Proportional to 97,913.06, 135,123.36 and 54,894.37

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Solution

The fourth proportional to 97,913.06, 135,123.36 and 54,894.37 is: 75,756.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,913.06 : 135,123.36 = 54,894.37 : x
  2. Step 2: Convert to fraction form
    97,913.06/135,123.36 = 54,894.37/x
  3. Step 3: Cross multiply
    97,913.06x = 135,123.36 × 54,894.37
  4. Step 4: Simplify right side
    97,913.06x = 7,417,511,719.48
  5. Step 5: Solve for x
    x = 7,417,511,719.48/97,913.06
  6. Step 6: Final answer
    x = 75,756.10

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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.