Home / 51,842.36-77,857.22-47,674.68

Finding the Fourth Proportional to 51,842.36, 77,857.22 and 47,674.68

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Solution

The fourth proportional to 51,842.36, 77,857.22 and 47,674.68 is: 71,598.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,842.36 : 77,857.22 = 47,674.68 : x
  2. Step 2: Convert to fraction form
    51,842.36/77,857.22 = 47,674.68/x
  3. Step 3: Cross multiply
    51,842.36x = 77,857.22 × 47,674.68
  4. Step 4: Simplify right side
    51,842.36x = 3,711,818,049.19
  5. Step 5: Solve for x
    x = 3,711,818,049.19/51,842.36
  6. Step 6: Final answer
    x = 71,598.17

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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.