Home / 106,209.17-159,424.48-47,086.36

Finding the Fourth Proportional to 106,209.17, 159,424.48 and 47,086.36

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Solution

The fourth proportional to 106,209.17, 159,424.48 and 47,086.36 is: 70,678.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,209.17 : 159,424.48 = 47,086.36 : x
  2. Step 2: Convert to fraction form
    106,209.17/159,424.48 = 47,086.36/x
  3. Step 3: Cross multiply
    106,209.17x = 159,424.48 × 47,086.36
  4. Step 4: Simplify right side
    106,209.17x = 7,506,718,882.72
  5. Step 5: Solve for x
    x = 7,506,718,882.72/106,209.17
  6. Step 6: Final answer
    x = 70,678.63

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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.