Home / 83,515.08-115,096.27-59,317.14

Finding the Fourth Proportional to 83,515.08, 115,096.27 and 59,317.14

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Solution

The fourth proportional to 83,515.08, 115,096.27 and 59,317.14 is: 81,747.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,515.08 : 115,096.27 = 59,317.14 : x
  2. Step 2: Convert to fraction form
    83,515.08/115,096.27 = 59,317.14/x
  3. Step 3: Cross multiply
    83,515.08x = 115,096.27 × 59,317.14
  4. Step 4: Simplify right side
    83,515.08x = 6,827,180,817.65
  5. Step 5: Solve for x
    x = 6,827,180,817.65/83,515.08
  6. Step 6: Final answer
    x = 81,747.89

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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.