Home / 109,054.18-163,593-45,880.74

Finding the Fourth Proportional to 109,054.18, 163,593 and 45,880.74

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Solution

The fourth proportional to 109,054.18, 163,593 and 45,880.74 is: 68,826.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,054.18 : 163,593 = 45,880.74 : x
  2. Step 2: Convert to fraction form
    109,054.18/163,593 = 45,880.74/x
  3. Step 3: Cross multiply
    109,054.18x = 163,593 × 45,880.74
  4. Step 4: Simplify right side
    109,054.18x = 7,505,767,898.82
  5. Step 5: Solve for x
    x = 7,505,767,898.82/109,054.18
  6. Step 6: Final answer
    x = 68,826.04

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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.