Home / 96,623.40-144,999.90-57,138.60

Finding the Fourth Proportional to 96,623.40, 144,999.90 and 57,138.60

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Solution

The fourth proportional to 96,623.40, 144,999.90 and 57,138.60 is: 85,746.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,623.40 : 144,999.90 = 57,138.60 : x
  2. Step 2: Convert to fraction form
    96,623.40/144,999.90 = 57,138.60/x
  3. Step 3: Cross multiply
    96,623.40x = 144,999.90 × 57,138.60
  4. Step 4: Simplify right side
    96,623.40x = 8,285,091,286.14
  5. Step 5: Solve for x
    x = 8,285,091,286.14/96,623.40
  6. Step 6: Final answer
    x = 85,746.22

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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.