Home / 80,810.33-121,222.53-24,663.11

Finding the Fourth Proportional to 80,810.33, 121,222.53 and 24,663.11

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Solution

The fourth proportional to 80,810.33, 121,222.53 and 24,663.11 is: 36,996.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,810.33 : 121,222.53 = 24,663.11 : x
  2. Step 2: Convert to fraction form
    80,810.33/121,222.53 = 24,663.11/x
  3. Step 3: Cross multiply
    80,810.33x = 121,222.53 × 24,663.11
  4. Step 4: Simplify right side
    80,810.33x = 2,989,723,985.76
  5. Step 5: Solve for x
    x = 2,989,723,985.76/80,810.33
  6. Step 6: Final answer
    x = 36,996.81

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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.