Home / 113,519.64-170,102.88-43,360.68

Finding the Fourth Proportional to 113,519.64, 170,102.88 and 43,360.68

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Solution

The fourth proportional to 113,519.64, 170,102.88 and 43,360.68 is: 64,973.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,519.64 : 170,102.88 = 43,360.68 : x
  2. Step 2: Convert to fraction form
    113,519.64/170,102.88 = 43,360.68/x
  3. Step 3: Cross multiply
    113,519.64x = 170,102.88 × 43,360.68
  4. Step 4: Simplify right side
    113,519.64x = 7,375,776,546.76
  5. Step 5: Solve for x
    x = 7,375,776,546.76/113,519.64
  6. Step 6: Final answer
    x = 64,973.57

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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.