Home / 86,318.28-119,130.58-48,599.88

Finding the Fourth Proportional to 86,318.28, 119,130.58 and 48,599.88

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Solution

The fourth proportional to 86,318.28, 119,130.58 and 48,599.88 is: 67,074.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,318.28 : 119,130.58 = 48,599.88 : x
  2. Step 2: Convert to fraction form
    86,318.28/119,130.58 = 48,599.88/x
  3. Step 3: Cross multiply
    86,318.28x = 119,130.58 × 48,599.88
  4. Step 4: Simplify right side
    86,318.28x = 5,789,731,892.33
  5. Step 5: Solve for x
    x = 5,789,731,892.33/86,318.28
  6. Step 6: Final answer
    x = 67,074.23

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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.