Home / 51,300.68-76,950.68-13,864.49

Finding the Fourth Proportional to 51,300.68, 76,950.68 and 13,864.49

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Solution

The fourth proportional to 51,300.68, 76,950.68 and 13,864.49 is: 20,796.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,300.68 : 76,950.68 = 13,864.49 : x
  2. Step 2: Convert to fraction form
    51,300.68/76,950.68 = 13,864.49/x
  3. Step 3: Cross multiply
    51,300.68x = 76,950.68 × 13,864.49
  4. Step 4: Simplify right side
    51,300.68x = 1,066,881,479.28
  5. Step 5: Solve for x
    x = 1,066,881,479.28/51,300.68
  6. Step 6: Final answer
    x = 20,796.64

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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.