Home / 93,161.73-128,565.50-50,722.59

Finding the Fourth Proportional to 93,161.73, 128,565.50 and 50,722.59

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Solution

The fourth proportional to 93,161.73, 128,565.50 and 50,722.59 is: 69,998.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,161.73 : 128,565.50 = 50,722.59 : x
  2. Step 2: Convert to fraction form
    93,161.73/128,565.50 = 50,722.59/x
  3. Step 3: Cross multiply
    93,161.73x = 128,565.50 × 50,722.59
  4. Step 4: Simplify right side
    93,161.73x = 6,521,175,144.65
  5. Step 5: Solve for x
    x = 6,521,175,144.65/93,161.73
  6. Step 6: Final answer
    x = 69,998.43

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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.