Home / 45,759.67-68,612.38-14,160.38

Finding the Fourth Proportional to 45,759.67, 68,612.38 and 14,160.38

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Solution

The fourth proportional to 45,759.67, 68,612.38 and 14,160.38 is: 21,232.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,759.67 : 68,612.38 = 14,160.38 : x
  2. Step 2: Convert to fraction form
    45,759.67/68,612.38 = 14,160.38/x
  3. Step 3: Cross multiply
    45,759.67x = 68,612.38 × 14,160.38
  4. Step 4: Simplify right side
    45,759.67x = 971,577,373.50
  5. Step 5: Solve for x
    x = 971,577,373.50/45,759.67
  6. Step 6: Final answer
    x = 21,232.18

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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.