Home / 106,869.68-147,479.04-58,471.16

Finding the Fourth Proportional to 106,869.68, 147,479.04 and 58,471.16

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Solution

The fourth proportional to 106,869.68, 147,479.04 and 58,471.16 is: 80,689.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,869.68 : 147,479.04 = 58,471.16 : x
  2. Step 2: Convert to fraction form
    106,869.68/147,479.04 = 58,471.16/x
  3. Step 3: Cross multiply
    106,869.68x = 147,479.04 × 58,471.16
  4. Step 4: Simplify right side
    106,869.68x = 8,623,270,544.49
  5. Step 5: Solve for x
    x = 8,623,270,544.49/106,869.68
  6. Step 6: Final answer
    x = 80,689.59

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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.