Home / 106,521.68-146,999.81-58,775.03

Finding the Fourth Proportional to 106,521.68, 146,999.81 and 58,775.03

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Solution

The fourth proportional to 106,521.68, 146,999.81 and 58,775.03 is: 81,109.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,521.68 : 146,999.81 = 58,775.03 : x
  2. Step 2: Convert to fraction form
    106,521.68/146,999.81 = 58,775.03/x
  3. Step 3: Cross multiply
    106,521.68x = 146,999.81 × 58,775.03
  4. Step 4: Simplify right side
    106,521.68x = 8,639,918,205.93
  5. Step 5: Solve for x
    x = 8,639,918,205.93/106,521.68
  6. Step 6: Final answer
    x = 81,109.48

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1.5x scale

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.