Home / 109,674.12-164,490.43-53,457.76

Finding the Fourth Proportional to 109,674.12, 164,490.43 and 53,457.76

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Solution

The fourth proportional to 109,674.12, 164,490.43 and 53,457.76 is: 80,176.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,674.12 : 164,490.43 = 53,457.76 : x
  2. Step 2: Convert to fraction form
    109,674.12/164,490.43 = 53,457.76/x
  3. Step 3: Cross multiply
    109,674.12x = 164,490.43 × 53,457.76
  4. Step 4: Simplify right side
    109,674.12x = 8,793,289,929.24
  5. Step 5: Solve for x
    x = 8,793,289,929.24/109,674.12
  6. Step 6: Final answer
    x = 80,176.53

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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.