Home / 42,062.92-63,091.90-15,765.46

Finding the Fourth Proportional to 42,062.92, 63,091.90 and 15,765.46

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Solution

The fourth proportional to 42,062.92, 63,091.90 and 15,765.46 is: 23,647.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,062.92 : 63,091.90 = 15,765.46 : x
  2. Step 2: Convert to fraction form
    42,062.92/63,091.90 = 15,765.46/x
  3. Step 3: Cross multiply
    42,062.92x = 63,091.90 × 15,765.46
  4. Step 4: Simplify right side
    42,062.92x = 994,672,431.49
  5. Step 5: Solve for x
    x = 994,672,431.49/42,062.92
  6. Step 6: Final answer
    x = 23,647.25

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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.