Home / 97,777.48-146,642.73-45,136.39

Finding the Fourth Proportional to 97,777.48, 146,642.73 and 45,136.39

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Solution

The fourth proportional to 97,777.48, 146,642.73 and 45,136.39 is: 67,693.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,777.48 : 146,642.73 = 45,136.39 : x
  2. Step 2: Convert to fraction form
    97,777.48/146,642.73 = 45,136.39/x
  3. Step 3: Cross multiply
    97,777.48x = 146,642.73 × 45,136.39
  4. Step 4: Simplify right side
    97,777.48x = 6,618,923,451.94
  5. Step 5: Solve for x
    x = 6,618,923,451.94/97,777.48
  6. Step 6: Final answer
    x = 67,693.74

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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.