Home / 106,775.05-147,342.34-59,021.90

Finding the Fourth Proportional to 106,775.05, 147,342.34 and 59,021.90

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Solution

The fourth proportional to 106,775.05, 147,342.34 and 59,021.90 is: 81,446.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,775.05 : 147,342.34 = 59,021.90 : x
  2. Step 2: Convert to fraction form
    106,775.05/147,342.34 = 59,021.90/x
  3. Step 3: Cross multiply
    106,775.05x = 147,342.34 × 59,021.90
  4. Step 4: Simplify right side
    106,775.05x = 8,696,424,857.25
  5. Step 5: Solve for x
    x = 8,696,424,857.25/106,775.05
  6. Step 6: Final answer
    x = 81,446.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.