Home / 113,735.44-156,904.16-65,961.12

Finding the Fourth Proportional to 113,735.44, 156,904.16 and 65,961.12

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Solution

The fourth proportional to 113,735.44, 156,904.16 and 65,961.12 is: 90,996.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,735.44 : 156,904.16 = 65,961.12 : x
  2. Step 2: Convert to fraction form
    113,735.44/156,904.16 = 65,961.12/x
  3. Step 3: Cross multiply
    113,735.44x = 156,904.16 × 65,961.12
  4. Step 4: Simplify right side
    113,735.44x = 10,349,574,126.26
  5. Step 5: Solve for x
    x = 10,349,574,126.26/113,735.44
  6. Step 6: Final answer
    x = 90,996.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.