Home / 61,872.21-92,818.35-19,167.66

Finding the Fourth Proportional to 61,872.21, 92,818.35 and 19,167.66

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Solution

The fourth proportional to 61,872.21, 92,818.35 and 19,167.66 is: 28,754.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,872.21 : 92,818.35 = 19,167.66 : x
  2. Step 2: Convert to fraction form
    61,872.21/92,818.35 = 19,167.66/x
  3. Step 3: Cross multiply
    61,872.21x = 92,818.35 × 19,167.66
  4. Step 4: Simplify right side
    61,872.21x = 1,779,110,574.56
  5. Step 5: Solve for x
    x = 1,779,110,574.56/61,872.21
  6. Step 6: Final answer
    x = 28,754.60

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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.