Home / 109,673.12-164,488.93-53,456.76

Finding the Fourth Proportional to 109,673.12, 164,488.93 and 53,456.76

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Solution

The fourth proportional to 109,673.12, 164,488.93 and 53,456.76 is: 80,175.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,673.12 : 164,488.93 = 53,456.76 : x
  2. Step 2: Convert to fraction form
    109,673.12/164,488.93 = 53,456.76/x
  3. Step 3: Cross multiply
    109,673.12x = 164,488.93 × 53,456.76
  4. Step 4: Simplify right side
    109,673.12x = 8,793,045,120.02
  5. Step 5: Solve for x
    x = 8,793,045,120.02/109,673.12
  6. Step 6: Final answer
    x = 80,175.02

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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.