Home / 56,557.53-84,836.52-19,117.89

Finding the Fourth Proportional to 56,557.53, 84,836.52 and 19,117.89

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Solution

The fourth proportional to 56,557.53, 84,836.52 and 19,117.89 is: 28,676.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,557.53 : 84,836.52 = 19,117.89 : x
  2. Step 2: Convert to fraction form
    56,557.53/84,836.52 = 19,117.89/x
  3. Step 3: Cross multiply
    56,557.53x = 84,836.52 × 19,117.89
  4. Step 4: Simplify right side
    56,557.53x = 1,621,895,257.34
  5. Step 5: Solve for x
    x = 1,621,895,257.34/56,557.53
  6. Step 6: Final answer
    x = 28,676.91

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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.