Home / 116,905.60-175,315.20-38,022.40

Finding the Fourth Proportional to 116,905.60, 175,315.20 and 38,022.40

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Solution

The fourth proportional to 116,905.60, 175,315.20 and 38,022.40 is: 57,019.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,905.60 : 175,315.20 = 38,022.40 : x
  2. Step 2: Convert to fraction form
    116,905.60/175,315.20 = 38,022.40/x
  3. Step 3: Cross multiply
    116,905.60x = 175,315.20 × 38,022.40
  4. Step 4: Simplify right side
    116,905.60x = 6,665,904,660.48
  5. Step 5: Solve for x
    x = 6,665,904,660.48/116,905.60
  6. Step 6: Final answer
    x = 57,019.55

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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.