Home / 50,971.77-76,434.64-15,419.39

Finding the Fourth Proportional to 50,971.77, 76,434.64 and 15,419.39

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Solution

The fourth proportional to 50,971.77, 76,434.64 and 15,419.39 is: 23,122.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,971.77 : 76,434.64 = 15,419.39 : x
  2. Step 2: Convert to fraction form
    50,971.77/76,434.64 = 15,419.39/x
  3. Step 3: Cross multiply
    50,971.77x = 76,434.64 × 15,419.39
  4. Step 4: Simplify right side
    50,971.77x = 1,178,575,102.95
  5. Step 5: Solve for x
    x = 1,178,575,102.95/50,971.77
  6. Step 6: Final answer
    x = 23,122.11

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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.