Home / 45,812.94-68,721.48-12,532.26

Finding the Fourth Proportional to 45,812.94, 68,721.48 and 12,532.26

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Solution

The fourth proportional to 45,812.94, 68,721.48 and 12,532.26 is: 18,798.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,812.94 : 68,721.48 = 12,532.26 : x
  2. Step 2: Convert to fraction form
    45,812.94/68,721.48 = 12,532.26/x
  3. Step 3: Cross multiply
    45,812.94x = 68,721.48 × 12,532.26
  4. Step 4: Simplify right side
    45,812.94x = 861,235,454.94
  5. Step 5: Solve for x
    x = 861,235,454.94/45,812.94
  6. Step 6: Final answer
    x = 18,798.96

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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.