Home / 47,140.56-70,722.72-17,559.36

Finding the Fourth Proportional to 47,140.56, 70,722.72 and 17,559.36

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Solution

The fourth proportional to 47,140.56, 70,722.72 and 17,559.36 is: 26,343.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,140.56 : 70,722.72 = 17,559.36 : x
  2. Step 2: Convert to fraction form
    47,140.56/70,722.72 = 17,559.36/x
  3. Step 3: Cross multiply
    47,140.56x = 70,722.72 × 17,559.36
  4. Step 4: Simplify right side
    47,140.56x = 1,241,845,700.66
  5. Step 5: Solve for x
    x = 1,241,845,700.66/47,140.56
  6. Step 6: Final answer
    x = 26,343.47

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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.