Home / 115,327.74-159,125.12-70,004.60

Finding the Fourth Proportional to 115,327.74, 159,125.12 and 70,004.60

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Solution

The fourth proportional to 115,327.74, 159,125.12 and 70,004.60 is: 96,589.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,327.74 : 159,125.12 = 70,004.60 : x
  2. Step 2: Convert to fraction form
    115,327.74/159,125.12 = 70,004.60/x
  3. Step 3: Cross multiply
    115,327.74x = 159,125.12 × 70,004.60
  4. Step 4: Simplify right side
    115,327.74x = 11,139,490,375.55
  5. Step 5: Solve for x
    x = 11,139,490,375.55/115,327.74
  6. Step 6: Final answer
    x = 96,589.86

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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.