Home / 97,136.61-145,432.73-73,369.38

Finding the Fourth Proportional to 97,136.61, 145,432.73 and 73,369.38

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Solution

The fourth proportional to 97,136.61, 145,432.73 and 73,369.38 is: 109,848.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,136.61 : 145,432.73 = 73,369.38 : x
  2. Step 2: Convert to fraction form
    97,136.61/145,432.73 = 73,369.38/x
  3. Step 3: Cross multiply
    97,136.61x = 145,432.73 × 73,369.38
  4. Step 4: Simplify right side
    97,136.61x = 10,670,309,231.81
  5. Step 5: Solve for x
    x = 10,670,309,231.81/97,136.61
  6. Step 6: Final answer
    x = 109,848.48

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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.