Home / 106,868.68-147,477.66-58,470.16

Finding the Fourth Proportional to 106,868.68, 147,477.66 and 58,470.16

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Solution

The fourth proportional to 106,868.68, 147,477.66 and 58,470.16 is: 80,688.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,868.68 : 147,477.66 = 58,470.16 : x
  2. Step 2: Convert to fraction form
    106,868.68/147,477.66 = 58,470.16/x
  3. Step 3: Cross multiply
    106,868.68x = 147,477.66 × 58,470.16
  4. Step 4: Simplify right side
    106,868.68x = 8,623,042,376.63
  5. Step 5: Solve for x
    x = 8,623,042,376.63/106,868.68
  6. Step 6: Final answer
    x = 80,688.21

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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.