Home / 104,425.22-143,997.87-61,975.55

Finding the Fourth Proportional to 104,425.22, 143,997.87 and 61,975.55

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Solution

The fourth proportional to 104,425.22, 143,997.87 and 61,975.55 is: 85,461.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,425.22 : 143,997.87 = 61,975.55 : x
  2. Step 2: Convert to fraction form
    104,425.22/143,997.87 = 61,975.55/x
  3. Step 3: Cross multiply
    104,425.22x = 143,997.87 × 61,975.55
  4. Step 4: Simplify right side
    104,425.22x = 8,924,346,472.09
  5. Step 5: Solve for x
    x = 8,924,346,472.09/104,425.22
  6. Step 6: Final answer
    x = 85,461.60

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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.