Home / 110,765.40-152,836.09-62,359.80

Finding the Fourth Proportional to 110,765.40, 152,836.09 and 62,359.80

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Solution

The fourth proportional to 110,765.40, 152,836.09 and 62,359.80 is: 86,045.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,765.40 : 152,836.09 = 62,359.80 : x
  2. Step 2: Convert to fraction form
    110,765.40/152,836.09 = 62,359.80/x
  3. Step 3: Cross multiply
    110,765.40x = 152,836.09 × 62,359.80
  4. Step 4: Simplify right side
    110,765.40x = 9,530,827,350.27
  5. Step 5: Solve for x
    x = 9,530,827,350.27/110,765.40
  6. Step 6: Final answer
    x = 86,045.17

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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.