Home / 97,660.76-134,774.69-55,218.38

Finding the Fourth Proportional to 97,660.76, 134,774.69 and 55,218.38

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Solution

The fourth proportional to 97,660.76, 134,774.69 and 55,218.38 is: 76,202.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,660.76 : 134,774.69 = 55,218.38 : x
  2. Step 2: Convert to fraction form
    97,660.76/134,774.69 = 55,218.38/x
  3. Step 3: Cross multiply
    97,660.76x = 134,774.69 × 55,218.38
  4. Step 4: Simplify right side
    97,660.76x = 7,442,039,096.84
  5. Step 5: Solve for x
    x = 7,442,039,096.84/97,660.76
  6. Step 6: Final answer
    x = 76,202.97

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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.