Home / 113,355.75-156,431.85-63,054.75

Finding the Fourth Proportional to 113,355.75, 156,431.85 and 63,054.75

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Solution

The fourth proportional to 113,355.75, 156,431.85 and 63,054.75 is: 87,016.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,355.75 : 156,431.85 = 63,054.75 : x
  2. Step 2: Convert to fraction form
    113,355.75/156,431.85 = 63,054.75/x
  3. Step 3: Cross multiply
    113,355.75x = 156,431.85 × 63,054.75
  4. Step 4: Simplify right side
    113,355.75x = 9,863,771,193.79
  5. Step 5: Solve for x
    x = 9,863,771,193.79/113,355.75
  6. Step 6: Final answer
    x = 87,016.06

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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.