Home / 97,212.40-145,800.60-27,077.20

Finding the Fourth Proportional to 97,212.40, 145,800.60 and 27,077.20

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Solution

The fourth proportional to 97,212.40, 145,800.60 and 27,077.20 is: 40,610.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,212.40 : 145,800.60 = 27,077.20 : x
  2. Step 2: Convert to fraction form
    97,212.40/145,800.60 = 27,077.20/x
  3. Step 3: Cross multiply
    97,212.40x = 145,800.60 × 27,077.20
  4. Step 4: Simplify right side
    97,212.40x = 3,947,872,006.32
  5. Step 5: Solve for x
    x = 3,947,872,006.32/97,212.40
  6. Step 6: Final answer
    x = 40,610.79

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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.