Home / 99,372.81-149,116.63-52,625.69

Finding the Fourth Proportional to 99,372.81, 149,116.63 and 52,625.69

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Solution

The fourth proportional to 99,372.81, 149,116.63 and 52,625.69 is: 78,968.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,372.81 : 149,116.63 = 52,625.69 : x
  2. Step 2: Convert to fraction form
    99,372.81/149,116.63 = 52,625.69/x
  3. Step 3: Cross multiply
    99,372.81x = 149,116.63 × 52,625.69
  4. Step 4: Simplify right side
    99,372.81x = 7,847,365,544.22
  5. Step 5: Solve for x
    x = 7,847,365,544.22/99,372.81
  6. Step 6: Final answer
    x = 78,968.94

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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.