Home / 45,160.39-67,715.70-15,553.81

Finding the Fourth Proportional to 45,160.39, 67,715.70 and 15,553.81

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Solution

The fourth proportional to 45,160.39, 67,715.70 and 15,553.81 is: 23,322.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,160.39 : 67,715.70 = 15,553.81 : x
  2. Step 2: Convert to fraction form
    45,160.39/67,715.70 = 15,553.81/x
  3. Step 3: Cross multiply
    45,160.39x = 67,715.70 × 15,553.81
  4. Step 4: Simplify right side
    45,160.39x = 1,053,237,131.82
  5. Step 5: Solve for x
    x = 1,053,237,131.82/45,160.39
  6. Step 6: Final answer
    x = 23,322.14

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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.