Home / 45,051.39-67,572.50-11,767.14

Finding the Fourth Proportional to 45,051.39, 67,572.50 and 11,767.14

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Solution

The fourth proportional to 45,051.39, 67,572.50 and 11,767.14 is: 17,649.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,051.39 : 67,572.50 = 11,767.14 : x
  2. Step 2: Convert to fraction form
    45,051.39/67,572.50 = 11,767.14/x
  3. Step 3: Cross multiply
    45,051.39x = 67,572.50 × 11,767.14
  4. Step 4: Simplify right side
    45,051.39x = 795,135,008.81
  5. Step 5: Solve for x
    x = 795,135,008.81/45,051.39
  6. Step 6: Final answer
    x = 17,649.51

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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.