Home / 97,788.38-134,955.34-54,765.68

Finding the Fourth Proportional to 97,788.38, 134,955.34 and 54,765.68

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Solution

The fourth proportional to 97,788.38, 134,955.34 and 54,765.68 is: 75,580.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,788.38 : 134,955.34 = 54,765.68 : x
  2. Step 2: Convert to fraction form
    97,788.38/134,955.34 = 54,765.68/x
  3. Step 3: Cross multiply
    97,788.38x = 134,955.34 × 54,765.68
  4. Step 4: Simplify right side
    97,788.38x = 7,390,920,153.04
  5. Step 5: Solve for x
    x = 7,390,920,153.04/97,788.38
  6. Step 6: Final answer
    x = 75,580.76

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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.