Home / 106,468.49-159,678.14-31,570.56

Finding the Fourth Proportional to 106,468.49, 159,678.14 and 31,570.56

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Solution

The fourth proportional to 106,468.49, 159,678.14 and 31,570.56 is: 47,348.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,468.49 : 159,678.14 = 31,570.56 : x
  2. Step 2: Convert to fraction form
    106,468.49/159,678.14 = 31,570.56/x
  3. Step 3: Cross multiply
    106,468.49x = 159,678.14 × 31,570.56
  4. Step 4: Simplify right side
    106,468.49x = 5,041,128,141.71
  5. Step 5: Solve for x
    x = 5,041,128,141.71/106,468.49
  6. Step 6: Final answer
    x = 47,348.54

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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.