Home / 106,425.84-146,864.80-58,678.36

Finding the Fourth Proportional to 106,425.84, 146,864.80 and 58,678.36

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Solution

The fourth proportional to 106,425.84, 146,864.80 and 58,678.36 is: 80,974.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,425.84 : 146,864.80 = 58,678.36 : x
  2. Step 2: Convert to fraction form
    106,425.84/146,864.80 = 58,678.36/x
  3. Step 3: Cross multiply
    106,425.84x = 146,864.80 × 58,678.36
  4. Step 4: Simplify right side
    106,425.84x = 8,617,785,605.73
  5. Step 5: Solve for x
    x = 8,617,785,605.73/106,425.84
  6. Step 6: Final answer
    x = 80,974.56

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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.