Home / 97,899.62-135,096.91-55,458.50

Finding the Fourth Proportional to 97,899.62, 135,096.91 and 55,458.50

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Solution

The fourth proportional to 97,899.62, 135,096.91 and 55,458.50 is: 76,530.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,899.62 : 135,096.91 = 55,458.50 : x
  2. Step 2: Convert to fraction form
    97,899.62/135,096.91 = 55,458.50/x
  3. Step 3: Cross multiply
    97,899.62x = 135,096.91 × 55,458.50
  4. Step 4: Simplify right side
    97,899.62x = 7,492,271,169.10
  5. Step 5: Solve for x
    x = 7,492,271,169.10/97,899.62
  6. Step 6: Final answer
    x = 76,530.14

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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.