Home / 109,641.14-164,482.44-34,780.12

Finding the Fourth Proportional to 109,641.14, 164,482.44 and 34,780.12

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Solution

The fourth proportional to 109,641.14, 164,482.44 and 34,780.12 is: 52,176.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,641.14 : 164,482.44 = 34,780.12 : x
  2. Step 2: Convert to fraction form
    109,641.14/164,482.44 = 34,780.12/x
  3. Step 3: Cross multiply
    109,641.14x = 164,482.44 × 34,780.12
  4. Step 4: Simplify right side
    109,641.14x = 5,720,719,001.09
  5. Step 5: Solve for x
    x = 5,720,719,001.09/109,641.14
  6. Step 6: Final answer
    x = 52,176.76

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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.