Home / 109,947.11-164,920.26-39,810.02

Finding the Fourth Proportional to 109,947.11, 164,920.26 and 39,810.02

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Solution

The fourth proportional to 109,947.11, 164,920.26 and 39,810.02 is: 59,714.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,947.11 : 164,920.26 = 39,810.02 : x
  2. Step 2: Convert to fraction form
    109,947.11/164,920.26 = 39,810.02/x
  3. Step 3: Cross multiply
    109,947.11x = 164,920.26 × 39,810.02
  4. Step 4: Simplify right side
    109,947.11x = 6,565,478,849.01
  5. Step 5: Solve for x
    x = 6,565,478,849.01/109,947.11
  6. Step 6: Final answer
    x = 59,714.88

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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.