Home / 48,006.54-72,001.56-12,937.98

Finding the Fourth Proportional to 48,006.54, 72,001.56 and 12,937.98

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Solution

The fourth proportional to 48,006.54, 72,001.56 and 12,937.98 is: 19,404.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,006.54 : 72,001.56 = 12,937.98 : x
  2. Step 2: Convert to fraction form
    48,006.54/72,001.56 = 12,937.98/x
  3. Step 3: Cross multiply
    48,006.54x = 72,001.56 × 12,937.98
  4. Step 4: Simplify right side
    48,006.54x = 931,554,743.25
  5. Step 5: Solve for x
    x = 931,554,743.25/48,006.54
  6. Step 6: Final answer
    x = 19,404.75

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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.