Home / 116,867.80-175,416.90-57,770.20

Finding the Fourth Proportional to 116,867.80, 175,416.90 and 57,770.20

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Solution

The fourth proportional to 116,867.80, 175,416.90 and 57,770.20 is: 86,712.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,867.80 : 175,416.90 = 57,770.20 : x
  2. Step 2: Convert to fraction form
    116,867.80/175,416.90 = 57,770.20/x
  3. Step 3: Cross multiply
    116,867.80x = 175,416.90 × 57,770.20
  4. Step 4: Simplify right side
    116,867.80x = 10,133,869,396.38
  5. Step 5: Solve for x
    x = 10,133,869,396.38/116,867.80
  6. Step 6: Final answer
    x = 86,712.25

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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.