Home / 97,147.45-145,567.68-73,342.36

Finding the Fourth Proportional to 97,147.45, 145,567.68 and 73,342.36

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Solution

The fourth proportional to 97,147.45, 145,567.68 and 73,342.36 is: 109,897.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,147.45 : 145,567.68 = 73,342.36 : x
  2. Step 2: Convert to fraction form
    97,147.45/145,567.68 = 73,342.36/x
  3. Step 3: Cross multiply
    97,147.45x = 145,567.68 × 73,342.36
  4. Step 4: Simplify right side
    97,147.45x = 10,676,277,190.92
  5. Step 5: Solve for x
    x = 10,676,277,190.92/97,147.45
  6. Step 6: Final answer
    x = 109,897.66

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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.