Home / 109,730.08-164,569.20-50,528.80

Finding the Fourth Proportional to 109,730.08, 164,569.20 and 50,528.80

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Solution

The fourth proportional to 109,730.08, 164,569.20 and 50,528.80 is: 75,781.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,730.08 : 164,569.20 = 50,528.80 : x
  2. Step 2: Convert to fraction form
    109,730.08/164,569.20 = 50,528.80/x
  3. Step 3: Cross multiply
    109,730.08x = 164,569.20 × 50,528.80
  4. Step 4: Simplify right side
    109,730.08x = 8,315,484,192.96
  5. Step 5: Solve for x
    x = 8,315,484,192.96/109,730.08
  6. Step 6: Final answer
    x = 75,781.26

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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.