Home / 109,345.10-164,017.65-54,049.10

Finding the Fourth Proportional to 109,345.10, 164,017.65 and 54,049.10

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Solution

The fourth proportional to 109,345.10, 164,017.65 and 54,049.10 is: 81,073.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,345.10 : 164,017.65 = 54,049.10 : x
  2. Step 2: Convert to fraction form
    109,345.10/164,017.65 = 54,049.10/x
  3. Step 3: Cross multiply
    109,345.10x = 164,017.65 × 54,049.10
  4. Step 4: Simplify right side
    109,345.10x = 8,865,006,366.62
  5. Step 5: Solve for x
    x = 8,865,006,366.62/109,345.10
  6. Step 6: Final answer
    x = 81,073.65

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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.