Home / 109,110.60-163,665.90-30,224.79

Finding the Fourth Proportional to 109,110.60, 163,665.90 and 30,224.79

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Solution

The fourth proportional to 109,110.60, 163,665.90 and 30,224.79 is: 45,337.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,110.60 : 163,665.90 = 30,224.79 : x
  2. Step 2: Convert to fraction form
    109,110.60/163,665.90 = 30,224.79/x
  3. Step 3: Cross multiply
    109,110.60x = 163,665.90 × 30,224.79
  4. Step 4: Simplify right side
    109,110.60x = 4,946,767,457.66
  5. Step 5: Solve for x
    x = 4,946,767,457.66/109,110.60
  6. Step 6: Final answer
    x = 45,337.19

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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.