Home / 107,329.80-148,107.69-59,579.40

Finding the Fourth Proportional to 107,329.80, 148,107.69 and 59,579.40

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Solution

The fourth proportional to 107,329.80, 148,107.69 and 59,579.40 is: 82,215.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,329.80 : 148,107.69 = 59,579.40 : x
  2. Step 2: Convert to fraction form
    107,329.80/148,107.69 = 59,579.40/x
  3. Step 3: Cross multiply
    107,329.80x = 148,107.69 × 59,579.40
  4. Step 4: Simplify right side
    107,329.80x = 8,824,167,305.59
  5. Step 5: Solve for x
    x = 8,824,167,305.59/107,329.80
  6. Step 6: Final answer
    x = 82,215.45

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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.