Home / 47,748.15-71,640.65-14,468.49

Finding the Fourth Proportional to 47,748.15, 71,640.65 and 14,468.49

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Solution

The fourth proportional to 47,748.15, 71,640.65 and 14,468.49 is: 21,708.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,748.15 : 71,640.65 = 14,468.49 : x
  2. Step 2: Convert to fraction form
    47,748.15/71,640.65 = 14,468.49/x
  3. Step 3: Cross multiply
    47,748.15x = 71,640.65 × 14,468.49
  4. Step 4: Simplify right side
    47,748.15x = 1,036,532,064.29
  5. Step 5: Solve for x
    x = 1,036,532,064.29/47,748.15
  6. Step 6: Final answer
    x = 21,708.32

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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.