Home / 43,178.12-64,726.62-15,080.84

Finding the Fourth Proportional to 43,178.12, 64,726.62 and 15,080.84

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Solution

The fourth proportional to 43,178.12, 64,726.62 and 15,080.84 is: 22,607.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,178.12 : 64,726.62 = 15,080.84 : x
  2. Step 2: Convert to fraction form
    43,178.12/64,726.62 = 15,080.84/x
  3. Step 3: Cross multiply
    43,178.12x = 64,726.62 × 15,080.84
  4. Step 4: Simplify right side
    43,178.12x = 976,131,799.96
  5. Step 5: Solve for x
    x = 976,131,799.96/43,178.12
  6. Step 6: Final answer
    x = 22,607.09

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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.