Home / 83,764.03-125,652.16-31,173.50

Finding the Fourth Proportional to 83,764.03, 125,652.16 and 31,173.50

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Solution

The fourth proportional to 83,764.03, 125,652.16 and 31,173.50 is: 46,762.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,764.03 : 125,652.16 = 31,173.50 : x
  2. Step 2: Convert to fraction form
    83,764.03/125,652.16 = 31,173.50/x
  3. Step 3: Cross multiply
    83,764.03x = 125,652.16 × 31,173.50
  4. Step 4: Simplify right side
    83,764.03x = 3,917,017,609.76
  5. Step 5: Solve for x
    x = 3,917,017,609.76/83,764.03
  6. Step 6: Final answer
    x = 46,762.53

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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.