Home / 86,026.28-118,716.18-48,300.68

Finding the Fourth Proportional to 86,026.28, 118,716.18 and 48,300.68

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Solution

The fourth proportional to 86,026.28, 118,716.18 and 48,300.68 is: 66,654.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,026.28 : 118,716.18 = 48,300.68 : x
  2. Step 2: Convert to fraction form
    86,026.28/118,716.18 = 48,300.68/x
  3. Step 3: Cross multiply
    86,026.28x = 118,716.18 × 48,300.68
  4. Step 4: Simplify right side
    86,026.28x = 5,734,072,221.00
  5. Step 5: Solve for x
    x = 5,734,072,221.00/86,026.28
  6. Step 6: Final answer
    x = 66,654.89

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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.