Home / 86,705.20-119,652.44-60,900.02

Finding the Fourth Proportional to 86,705.20, 119,652.44 and 60,900.02

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Solution

The fourth proportional to 86,705.20, 119,652.44 and 60,900.02 is: 84,041.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,705.20 : 119,652.44 = 60,900.02 : x
  2. Step 2: Convert to fraction form
    86,705.20/119,652.44 = 60,900.02/x
  3. Step 3: Cross multiply
    86,705.20x = 119,652.44 × 60,900.02
  4. Step 4: Simplify right side
    86,705.20x = 7,286,835,989.05
  5. Step 5: Solve for x
    x = 7,286,835,989.05/86,705.20
  6. Step 6: Final answer
    x = 84,041.51

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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.