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Finding the Fourth Proportional to 56,553.40, 84,830.10 and 53,702.20

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Solution

The fourth proportional to 56,553.40, 84,830.10 and 53,702.20 is: 80,553.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,553.40 : 84,830.10 = 53,702.20 : x
  2. Step 2: Convert to fraction form
    56,553.40/84,830.10 = 53,702.20/x
  3. Step 3: Cross multiply
    56,553.40x = 84,830.10 × 53,702.20
  4. Step 4: Simplify right side
    56,553.40x = 4,555,562,996.22
  5. Step 5: Solve for x
    x = 4,555,562,996.22/56,553.40
  6. Step 6: Final answer
    x = 80,553.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.