Home / 45,293.12-67,945.44-14,125.76

Finding the Fourth Proportional to 45,293.12, 67,945.44 and 14,125.76

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Solution

The fourth proportional to 45,293.12, 67,945.44 and 14,125.76 is: 21,190.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,293.12 : 67,945.44 = 14,125.76 : x
  2. Step 2: Convert to fraction form
    45,293.12/67,945.44 = 14,125.76/x
  3. Step 3: Cross multiply
    45,293.12x = 67,945.44 × 14,125.76
  4. Step 4: Simplify right side
    45,293.12x = 959,780,978.53
  5. Step 5: Solve for x
    x = 959,780,978.53/45,293.12
  6. Step 6: Final answer
    x = 21,190.44

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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.