Home / 45,159.49-67,748.65-13,568.27

Finding the Fourth Proportional to 45,159.49, 67,748.65 and 13,568.27

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Solution

The fourth proportional to 45,159.49, 67,748.65 and 13,568.27 is: 20,355.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,159.49 : 67,748.65 = 13,568.27 : x
  2. Step 2: Convert to fraction form
    45,159.49/67,748.65 = 13,568.27/x
  3. Step 3: Cross multiply
    45,159.49x = 67,748.65 × 13,568.27
  4. Step 4: Simplify right side
    45,159.49x = 919,231,975.34
  5. Step 5: Solve for x
    x = 919,231,975.34/45,159.49
  6. Step 6: Final answer
    x = 20,355.23

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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.