Home / 109,561.20-164,514.60-62,905.20

Finding the Fourth Proportional to 109,561.20, 164,514.60 and 62,905.20

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Solution

The fourth proportional to 109,561.20, 164,514.60 and 62,905.20 is: 94,457.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,561.20 : 164,514.60 = 62,905.20 : x
  2. Step 2: Convert to fraction form
    109,561.20/164,514.60 = 62,905.20/x
  3. Step 3: Cross multiply
    109,561.20x = 164,514.60 × 62,905.20
  4. Step 4: Simplify right side
    109,561.20x = 10,348,823,815.92
  5. Step 5: Solve for x
    x = 10,348,823,815.92/109,561.20
  6. Step 6: Final answer
    x = 94,457.01

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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.