Home / 86,995.54-120,051.85-50,694.68

Finding the Fourth Proportional to 86,995.54, 120,051.85 and 50,694.68

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Solution

The fourth proportional to 86,995.54, 120,051.85 and 50,694.68 is: 69,957.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,995.54 : 120,051.85 = 50,694.68 : x
  2. Step 2: Convert to fraction form
    86,995.54/120,051.85 = 50,694.68/x
  3. Step 3: Cross multiply
    86,995.54x = 120,051.85 × 50,694.68
  4. Step 4: Simplify right side
    86,995.54x = 6,085,989,392.16
  5. Step 5: Solve for x
    x = 6,085,989,392.16/86,995.54
  6. Step 6: Final answer
    x = 69,957.49

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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.