Home / 72,829.06-109,269.75-25,451.02

Finding the Fourth Proportional to 72,829.06, 109,269.75 and 25,451.02

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Solution

The fourth proportional to 72,829.06, 109,269.75 and 25,451.02 is: 38,185.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,829.06 : 109,269.75 = 25,451.02 : x
  2. Step 2: Convert to fraction form
    72,829.06/109,269.75 = 25,451.02/x
  3. Step 3: Cross multiply
    72,829.06x = 109,269.75 × 25,451.02
  4. Step 4: Simplify right side
    72,829.06x = 2,781,026,592.65
  5. Step 5: Solve for x
    x = 2,781,026,592.65/72,829.06
  6. Step 6: Final answer
    x = 38,185.67

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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.