Home / 42,237.92-63,370.94-14,160.75

Finding the Fourth Proportional to 42,237.92, 63,370.94 and 14,160.75

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Solution

The fourth proportional to 42,237.92, 63,370.94 and 14,160.75 is: 21,245.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,237.92 : 63,370.94 = 14,160.75 : x
  2. Step 2: Convert to fraction form
    42,237.92/63,370.94 = 14,160.75/x
  3. Step 3: Cross multiply
    42,237.92x = 63,370.94 × 14,160.75
  4. Step 4: Simplify right side
    42,237.92x = 897,379,967.80
  5. Step 5: Solve for x
    x = 897,379,967.80/42,237.92
  6. Step 6: Final answer
    x = 21,245.84

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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.