Home / 76,690.73-115,030.59-24,115.25

Finding the Fourth Proportional to 76,690.73, 115,030.59 and 24,115.25

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Solution

The fourth proportional to 76,690.73, 115,030.59 and 24,115.25 is: 36,171.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,690.73 : 115,030.59 = 24,115.25 : x
  2. Step 2: Convert to fraction form
    76,690.73/115,030.59 = 24,115.25/x
  3. Step 3: Cross multiply
    76,690.73x = 115,030.59 × 24,115.25
  4. Step 4: Simplify right side
    76,690.73x = 2,773,991,435.50
  5. Step 5: Solve for x
    x = 2,773,991,435.50/76,690.73
  6. Step 6: Final answer
    x = 36,171.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.