Home / 97,946.60-146,919.90-92,621.80

Finding the Fourth Proportional to 97,946.60, 146,919.90 and 92,621.80

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Solution

The fourth proportional to 97,946.60, 146,919.90 and 92,621.80 is: 138,932.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,946.60 : 146,919.90 = 92,621.80 : x
  2. Step 2: Convert to fraction form
    97,946.60/146,919.90 = 92,621.80/x
  3. Step 3: Cross multiply
    97,946.60x = 146,919.90 × 92,621.80
  4. Step 4: Simplify right side
    97,946.60x = 13,607,985,593.82
  5. Step 5: Solve for x
    x = 13,607,985,593.82/97,946.60
  6. Step 6: Final answer
    x = 138,932.70

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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.