Home / 76,090.13-113,972.65-61,794.17

Finding the Fourth Proportional to 76,090.13, 113,972.65 and 61,794.17

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Solution

The fourth proportional to 76,090.13, 113,972.65 and 61,794.17 is: 92,559.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,090.13 : 113,972.65 = 61,794.17 : x
  2. Step 2: Convert to fraction form
    76,090.13/113,972.65 = 61,794.17/x
  3. Step 3: Cross multiply
    76,090.13x = 113,972.65 × 61,794.17
  4. Step 4: Simplify right side
    76,090.13x = 7,042,845,309.45
  5. Step 5: Solve for x
    x = 7,042,845,309.45/76,090.13
  6. Step 6: Final answer
    x = 92,559.25

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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.