Home / 76,256.40-114,384.60-61,494.15

Finding the Fourth Proportional to 76,256.40, 114,384.60 and 61,494.15

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Solution

The fourth proportional to 76,256.40, 114,384.60 and 61,494.15 is: 92,241.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,256.40 : 114,384.60 = 61,494.15 : x
  2. Step 2: Convert to fraction form
    76,256.40/114,384.60 = 61,494.15/x
  3. Step 3: Cross multiply
    76,256.40x = 114,384.60 × 61,494.15
  4. Step 4: Simplify right side
    76,256.40x = 7,033,983,750.09
  5. Step 5: Solve for x
    x = 7,033,983,750.09/76,256.40
  6. Step 6: Final answer
    x = 92,241.23

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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.