Home / 95,421.72-142,911.06-92,100.30

Finding the Fourth Proportional to 95,421.72, 142,911.06 and 92,100.30

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Solution

The fourth proportional to 95,421.72, 142,911.06 and 92,100.30 is: 137,936.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,421.72 : 142,911.06 = 92,100.30 : x
  2. Step 2: Convert to fraction form
    95,421.72/142,911.06 = 92,100.30/x
  3. Step 3: Cross multiply
    95,421.72x = 142,911.06 × 92,100.30
  4. Step 4: Simplify right side
    95,421.72x = 13,162,151,499.32
  5. Step 5: Solve for x
    x = 13,162,151,499.32/95,421.72
  6. Step 6: Final answer
    x = 137,936.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.