Home / 92,829.66-128,105.08-50,388.18

Finding the Fourth Proportional to 92,829.66, 128,105.08 and 50,388.18

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Solution

The fourth proportional to 92,829.66, 128,105.08 and 50,388.18 is: 69,535.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,829.66 : 128,105.08 = 50,388.18 : x
  2. Step 2: Convert to fraction form
    92,829.66/128,105.08 = 50,388.18/x
  3. Step 3: Cross multiply
    92,829.66x = 128,105.08 × 50,388.18
  4. Step 4: Simplify right side
    92,829.66x = 6,454,981,829.95
  5. Step 5: Solve for x
    x = 6,454,981,829.95/92,829.66
  6. Step 6: Final answer
    x = 69,535.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.