Home / 47,770.56-71,655.75-12,710.22

Finding the Fourth Proportional to 47,770.56, 71,655.75 and 12,710.22

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Solution

The fourth proportional to 47,770.56, 71,655.75 and 12,710.22 is: 19,065.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,770.56 : 71,655.75 = 12,710.22 : x
  2. Step 2: Convert to fraction form
    47,770.56/71,655.75 = 12,710.22/x
  3. Step 3: Cross multiply
    47,770.56x = 71,655.75 × 12,710.22
  4. Step 4: Simplify right side
    47,770.56x = 910,760,346.77
  5. Step 5: Solve for x
    x = 910,760,346.77/47,770.56
  6. Step 6: Final answer
    x = 19,065.31

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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.