Home / 76,531.32-114,733.80-33,806.34

Finding the Fourth Proportional to 76,531.32, 114,733.80 and 33,806.34

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Solution

The fourth proportional to 76,531.32, 114,733.80 and 33,806.34 is: 50,681.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,531.32 : 114,733.80 = 33,806.34 : x
  2. Step 2: Convert to fraction form
    76,531.32/114,733.80 = 33,806.34/x
  3. Step 3: Cross multiply
    76,531.32x = 114,733.80 × 33,806.34
  4. Step 4: Simplify right side
    76,531.32x = 3,878,729,852.29
  5. Step 5: Solve for x
    x = 3,878,729,852.29/76,531.32
  6. Step 6: Final answer
    x = 50,681.60

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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.