Home / 80,762.84-111,405.48-52,487.36

Finding the Fourth Proportional to 80,762.84, 111,405.48 and 52,487.36

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Solution

The fourth proportional to 80,762.84, 111,405.48 and 52,487.36 is: 72,401.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,762.84 : 111,405.48 = 52,487.36 : x
  2. Step 2: Convert to fraction form
    80,762.84/111,405.48 = 52,487.36/x
  3. Step 3: Cross multiply
    80,762.84x = 111,405.48 × 52,487.36
  4. Step 4: Simplify right side
    80,762.84x = 5,847,379,534.73
  5. Step 5: Solve for x
    x = 5,847,379,534.73/80,762.84
  6. Step 6: Final answer
    x = 72,401.86

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1.5x scale

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.