Home / 42,207.18-63,323.46-12,625.98

Finding the Fourth Proportional to 42,207.18, 63,323.46 and 12,625.98

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Solution

The fourth proportional to 42,207.18, 63,323.46 and 12,625.98 is: 18,942.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,207.18 : 63,323.46 = 12,625.98 : x
  2. Step 2: Convert to fraction form
    42,207.18/63,323.46 = 12,625.98/x
  3. Step 3: Cross multiply
    42,207.18x = 63,323.46 × 12,625.98
  4. Step 4: Simplify right side
    42,207.18x = 799,520,739.49
  5. Step 5: Solve for x
    x = 799,520,739.49/42,207.18
  6. Step 6: Final answer
    x = 18,942.77

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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.