Home / 109,655.03-164,488.46-34,780.86

Finding the Fourth Proportional to 109,655.03, 164,488.46 and 34,780.86

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Solution

The fourth proportional to 109,655.03, 164,488.46 and 34,780.86 is: 52,173.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,655.03 : 164,488.46 = 34,780.86 : x
  2. Step 2: Convert to fraction form
    109,655.03/164,488.46 = 34,780.86/x
  3. Step 3: Cross multiply
    109,655.03x = 164,488.46 × 34,780.86
  4. Step 4: Simplify right side
    109,655.03x = 5,721,049,924.97
  5. Step 5: Solve for x
    x = 5,721,049,924.97/109,655.03
  6. Step 6: Final answer
    x = 52,173.16

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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.