Home / 106,890.91-147,507.14-58,492.62

Finding the Fourth Proportional to 106,890.91, 147,507.14 and 58,492.62

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Solution

The fourth proportional to 106,890.91, 147,507.14 and 58,492.62 is: 80,718.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,890.91 : 147,507.14 = 58,492.62 : x
  2. Step 2: Convert to fraction form
    106,890.91/147,507.14 = 58,492.62/x
  3. Step 3: Cross multiply
    106,890.91x = 147,507.14 × 58,492.62
  4. Step 4: Simplify right side
    106,890.91x = 8,628,079,233.54
  5. Step 5: Solve for x
    x = 8,628,079,233.54/106,890.91
  6. Step 6: Final answer
    x = 80,718.55

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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.