Home / 48,077.98-72,108.65-13,009.44

Finding the Fourth Proportional to 48,077.98, 72,108.65 and 13,009.44

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Solution

The fourth proportional to 48,077.98, 72,108.65 and 13,009.44 is: 19,511.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,077.98 : 72,108.65 = 13,009.44 : x
  2. Step 2: Convert to fraction form
    48,077.98/72,108.65 = 13,009.44/x
  3. Step 3: Cross multiply
    48,077.98x = 72,108.65 × 13,009.44
  4. Step 4: Simplify right side
    48,077.98x = 938,092,979.80
  5. Step 5: Solve for x
    x = 938,092,979.80/48,077.98
  6. Step 6: Final answer
    x = 19,511.90

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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.