Home / 47,188.63-70,761.75-13,897.02

Finding the Fourth Proportional to 47,188.63, 70,761.75 and 13,897.02

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Solution

The fourth proportional to 47,188.63, 70,761.75 and 13,897.02 is: 20,839.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,188.63 : 70,761.75 = 13,897.02 : x
  2. Step 2: Convert to fraction form
    47,188.63/70,761.75 = 13,897.02/x
  3. Step 3: Cross multiply
    47,188.63x = 70,761.75 × 13,897.02
  4. Step 4: Simplify right side
    47,188.63x = 983,377,348.36
  5. Step 5: Solve for x
    x = 983,377,348.36/47,188.63
  6. Step 6: Final answer
    x = 20,839.29

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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.