Home / 116,712.20-175,068.30-57,663.20

Finding the Fourth Proportional to 116,712.20, 175,068.30 and 57,663.20

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Solution

The fourth proportional to 116,712.20, 175,068.30 and 57,663.20 is: 86,494.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,712.20 : 175,068.30 = 57,663.20 : x
  2. Step 2: Convert to fraction form
    116,712.20/175,068.30 = 57,663.20/x
  3. Step 3: Cross multiply
    116,712.20x = 175,068.30 × 57,663.20
  4. Step 4: Simplify right side
    116,712.20x = 10,094,998,396.56
  5. Step 5: Solve for x
    x = 10,094,998,396.56/116,712.20
  6. Step 6: Final answer
    x = 86,494.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.