Home / 71,739.64-99,003.90-59,782.96

Finding the Fourth Proportional to 71,739.64, 99,003.90 and 59,782.96

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Solution

The fourth proportional to 71,739.64, 99,003.90 and 59,782.96 is: 82,503.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,739.64 : 99,003.90 = 59,782.96 : x
  2. Step 2: Convert to fraction form
    71,739.64/99,003.90 = 59,782.96/x
  3. Step 3: Cross multiply
    71,739.64x = 99,003.90 × 59,782.96
  4. Step 4: Simplify right side
    71,739.64x = 5,918,746,193.54
  5. Step 5: Solve for x
    x = 5,918,746,193.54/71,739.64
  6. Step 6: Final answer
    x = 82,503.15

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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.