Home / 109,103.96-163,828.07-64,927.88

Finding the Fourth Proportional to 109,103.96, 163,828.07 and 64,927.88

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Solution

The fourth proportional to 109,103.96, 163,828.07 and 64,927.88 is: 97,494.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,103.96 : 163,828.07 = 64,927.88 : x
  2. Step 2: Convert to fraction form
    109,103.96/163,828.07 = 64,927.88/x
  3. Step 3: Cross multiply
    109,103.96x = 163,828.07 × 64,927.88
  4. Step 4: Simplify right side
    109,103.96x = 10,637,008,983.65
  5. Step 5: Solve for x
    x = 10,637,008,983.65/109,103.96
  6. Step 6: Final answer
    x = 97,494.25

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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.