Home / 97,209.72-145,905.30-49,860.36

Finding the Fourth Proportional to 97,209.72, 145,905.30 and 49,860.36

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Solution

The fourth proportional to 97,209.72, 145,905.30 and 49,860.36 is: 74,837.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,209.72 : 145,905.30 = 49,860.36 : x
  2. Step 2: Convert to fraction form
    97,209.72/145,905.30 = 49,860.36/x
  3. Step 3: Cross multiply
    97,209.72x = 145,905.30 × 49,860.36
  4. Step 4: Simplify right side
    97,209.72x = 7,274,890,783.91
  5. Step 5: Solve for x
    x = 7,274,890,783.91/97,209.72
  6. Step 6: Final answer
    x = 74,837.07

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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.