Home / 71,050.56-98,052.24-39,220.64

Finding the Fourth Proportional to 71,050.56, 98,052.24 and 39,220.64

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Solution

The fourth proportional to 71,050.56, 98,052.24 and 39,220.64 is: 54,125.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,050.56 : 98,052.24 = 39,220.64 : x
  2. Step 2: Convert to fraction form
    71,050.56/98,052.24 = 39,220.64/x
  3. Step 3: Cross multiply
    71,050.56x = 98,052.24 × 39,220.64
  4. Step 4: Simplify right side
    71,050.56x = 3,845,671,606.23
  5. Step 5: Solve for x
    x = 3,845,671,606.23/71,050.56
  6. Step 6: Final answer
    x = 54,125.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.