Home / 86,999.17-120,056.85-50,698.30

Finding the Fourth Proportional to 86,999.17, 120,056.85 and 50,698.30

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Solution

The fourth proportional to 86,999.17, 120,056.85 and 50,698.30 is: 69,962.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,999.17 : 120,056.85 = 50,698.30 : x
  2. Step 2: Convert to fraction form
    86,999.17/120,056.85 = 50,698.30/x
  3. Step 3: Cross multiply
    86,999.17x = 120,056.85 × 50,698.30
  4. Step 4: Simplify right side
    86,999.17x = 6,086,678,198.36
  5. Step 5: Solve for x
    x = 6,086,678,198.36/86,999.17
  6. Step 6: Final answer
    x = 69,962.49

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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.