Home / 61,803.05-92,713.43-19,111.79

Finding the Fourth Proportional to 61,803.05, 92,713.43 and 19,111.79

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Solution

The fourth proportional to 61,803.05, 92,713.43 and 19,111.79 is: 28,670.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,803.05 : 92,713.43 = 19,111.79 : x
  2. Step 2: Convert to fraction form
    61,803.05/92,713.43 = 19,111.79/x
  3. Step 3: Cross multiply
    61,803.05x = 92,713.43 × 19,111.79
  4. Step 4: Simplify right side
    61,803.05x = 1,771,919,883.90
  5. Step 5: Solve for x
    x = 1,771,919,883.90/61,803.05
  6. Step 6: Final answer
    x = 28,670.43

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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.