Home / 109,321.65-164,069.94-56,746.17

Finding the Fourth Proportional to 109,321.65, 164,069.94 and 56,746.17

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Solution

The fourth proportional to 109,321.65, 164,069.94 and 56,746.17 is: 85,164.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,321.65 : 164,069.94 = 56,746.17 : x
  2. Step 2: Convert to fraction form
    109,321.65/164,069.94 = 56,746.17/x
  3. Step 3: Cross multiply
    109,321.65x = 164,069.94 × 56,746.17
  4. Step 4: Simplify right side
    109,321.65x = 9,310,340,707.13
  5. Step 5: Solve for x
    x = 9,310,340,707.13/109,321.65
  6. Step 6: Final answer
    x = 85,164.66

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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.