Home / 113,729.32-170,536.74-66,360.52

Finding the Fourth Proportional to 113,729.32, 170,536.74 and 66,360.52

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Solution

The fourth proportional to 113,729.32, 170,536.74 and 66,360.52 is: 99,507.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,729.32 : 170,536.74 = 66,360.52 : x
  2. Step 2: Convert to fraction form
    113,729.32/170,536.74 = 66,360.52/x
  3. Step 3: Cross multiply
    113,729.32x = 170,536.74 × 66,360.52
  4. Step 4: Simplify right side
    113,729.32x = 11,316,906,745.50
  5. Step 5: Solve for x
    x = 11,316,906,745.50/113,729.32
  6. Step 6: Final answer
    x = 99,507.38

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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.