Home / 71,060.28-98,062.60-39,228.50

Finding the Fourth Proportional to 71,060.28, 98,062.60 and 39,228.50

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Solution

The fourth proportional to 71,060.28, 98,062.60 and 39,228.50 is: 54,135.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,060.28 : 98,062.60 = 39,228.50 : x
  2. Step 2: Convert to fraction form
    71,060.28/98,062.60 = 39,228.50/x
  3. Step 3: Cross multiply
    71,060.28x = 98,062.60 × 39,228.50
  4. Step 4: Simplify right side
    71,060.28x = 3,846,848,704.10
  5. Step 5: Solve for x
    x = 3,846,848,704.10/71,060.28
  6. Step 6: Final answer
    x = 54,135.01

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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.