Home / 86,998.17-120,055.47-50,697.30

Finding the Fourth Proportional to 86,998.17, 120,055.47 and 50,697.30

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Solution

The fourth proportional to 86,998.17, 120,055.47 and 50,697.30 is: 69,961.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,998.17 : 120,055.47 = 50,697.30 : x
  2. Step 2: Convert to fraction form
    86,998.17/120,055.47 = 50,697.30/x
  3. Step 3: Cross multiply
    86,998.17x = 120,055.47 × 50,697.30
  4. Step 4: Simplify right side
    86,998.17x = 6,086,488,179.23
  5. Step 5: Solve for x
    x = 6,086,488,179.23/86,998.17
  6. Step 6: Final answer
    x = 69,961.11

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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.