Home / 107,387.12-148,515.34-93,935.00

Finding the Fourth Proportional to 107,387.12, 148,515.34 and 93,935.00

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Solution

The fourth proportional to 107,387.12, 148,515.34 and 93,935.00 is: 129,911.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,387.12 : 148,515.34 = 93,935.00 : x
  2. Step 2: Convert to fraction form
    107,387.12/148,515.34 = 93,935.00/x
  3. Step 3: Cross multiply
    107,387.12x = 148,515.34 × 93,935.00
  4. Step 4: Simplify right side
    107,387.12x = 13,950,787,940.08
  5. Step 5: Solve for x
    x = 13,950,787,940.08/107,387.12
  6. Step 6: Final answer
    x = 129,911.18

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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.