Home / 97,789.40-146,975.70-96,039.80

Finding the Fourth Proportional to 97,789.40, 146,975.70 and 96,039.80

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Solution

The fourth proportional to 97,789.40, 146,975.70 and 96,039.80 is: 144,346.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,789.40 : 146,975.70 = 96,039.80 : x
  2. Step 2: Convert to fraction form
    97,789.40/146,975.70 = 96,039.80/x
  3. Step 3: Cross multiply
    97,789.40x = 146,975.70 × 96,039.80
  4. Step 4: Simplify right side
    97,789.40x = 14,115,516,832.86
  5. Step 5: Solve for x
    x = 14,115,516,832.86/97,789.40
  6. Step 6: Final answer
    x = 144,346.08

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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.