Home / 86,453.84-119,346.14-60,980.96

Finding the Fourth Proportional to 86,453.84, 119,346.14 and 60,980.96

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Solution

The fourth proportional to 86,453.84, 119,346.14 and 60,980.96 is: 84,181.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,453.84 : 119,346.14 = 60,980.96 : x
  2. Step 2: Convert to fraction form
    86,453.84/119,346.14 = 60,980.96/x
  3. Step 3: Cross multiply
    86,453.84x = 119,346.14 × 60,980.96
  4. Step 4: Simplify right side
    86,453.84x = 7,277,842,189.49
  5. Step 5: Solve for x
    x = 7,277,842,189.49/86,453.84
  6. Step 6: Final answer
    x = 84,181.83

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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.