Home / 47,059.63-70,584.28-13,780.02

Finding the Fourth Proportional to 47,059.63, 70,584.28 and 13,780.02

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Solution

The fourth proportional to 47,059.63, 70,584.28 and 13,780.02 is: 20,668.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,059.63 : 70,584.28 = 13,780.02 : x
  2. Step 2: Convert to fraction form
    47,059.63/70,584.28 = 13,780.02/x
  3. Step 3: Cross multiply
    47,059.63x = 70,584.28 × 13,780.02
  4. Step 4: Simplify right side
    47,059.63x = 972,652,755.64
  5. Step 5: Solve for x
    x = 972,652,755.64/47,059.63
  6. Step 6: Final answer
    x = 20,668.52

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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.