Home / 106,133.09-146,465.82-58,386.42

Finding the Fourth Proportional to 106,133.09, 146,465.82 and 58,386.42

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Solution

The fourth proportional to 106,133.09, 146,465.82 and 58,386.42 is: 80,574.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,133.09 : 146,465.82 = 58,386.42 : x
  2. Step 2: Convert to fraction form
    106,133.09/146,465.82 = 58,386.42/x
  3. Step 3: Cross multiply
    106,133.09x = 146,465.82 × 58,386.42
  4. Step 4: Simplify right side
    106,133.09x = 8,551,614,882.16
  5. Step 5: Solve for x
    x = 8,551,614,882.16/106,133.09
  6. Step 6: Final answer
    x = 80,574.45

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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.