Home / 109,109.76-163,450.88-56,553.92

Finding the Fourth Proportional to 109,109.76, 163,450.88 and 56,553.92

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Solution

The fourth proportional to 109,109.76, 163,450.88 and 56,553.92 is: 84,720.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,109.76 : 163,450.88 = 56,553.92 : x
  2. Step 2: Convert to fraction form
    109,109.76/163,450.88 = 56,553.92/x
  3. Step 3: Cross multiply
    109,109.76x = 163,450.88 × 56,553.92
  4. Step 4: Simplify right side
    109,109.76x = 9,243,787,991.45
  5. Step 5: Solve for x
    x = 9,243,787,991.45/109,109.76
  6. Step 6: Final answer
    x = 84,720.08

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1.5x scale

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.