Home / 44,777.90-67,178.10-13,188.98

Finding the Fourth Proportional to 44,777.90, 67,178.10 and 13,188.98

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Solution

The fourth proportional to 44,777.90, 67,178.10 and 13,188.98 is: 19,786.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,777.90 : 67,178.10 = 13,188.98 : x
  2. Step 2: Convert to fraction form
    44,777.90/67,178.10 = 13,188.98/x
  3. Step 3: Cross multiply
    44,777.90x = 67,178.10 × 13,188.98
  4. Step 4: Simplify right side
    44,777.90x = 886,010,617.34
  5. Step 5: Solve for x
    x = 886,010,617.34/44,777.90
  6. Step 6: Final answer
    x = 19,786.78

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1.5x scale

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.