Home / 56,930.35-85,302.05-19,469.98

Finding the Fourth Proportional to 56,930.35, 85,302.05 and 19,469.98

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Solution

The fourth proportional to 56,930.35, 85,302.05 and 19,469.98 is: 29,173.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,930.35 : 85,302.05 = 19,469.98 : x
  2. Step 2: Convert to fraction form
    56,930.35/85,302.05 = 19,469.98/x
  3. Step 3: Cross multiply
    56,930.35x = 85,302.05 × 19,469.98
  4. Step 4: Simplify right side
    56,930.35x = 1,660,829,639.18
  5. Step 5: Solve for x
    x = 1,660,829,639.18/56,930.35
  6. Step 6: Final answer
    x = 29,173.01

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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.