Home / 97,971.99-146,835.02-52,991.55

Finding the Fourth Proportional to 97,971.99, 146,835.02 and 52,991.55

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Solution

The fourth proportional to 97,971.99, 146,835.02 and 52,991.55 is: 79,420.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,971.99 : 146,835.02 = 52,991.55 : x
  2. Step 2: Convert to fraction form
    97,971.99/146,835.02 = 52,991.55/x
  3. Step 3: Cross multiply
    97,971.99x = 146,835.02 × 52,991.55
  4. Step 4: Simplify right side
    97,971.99x = 7,781,015,039.12
  5. Step 5: Solve for x
    x = 7,781,015,039.12/97,971.99
  6. Step 6: Final answer
    x = 79,420.81

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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.