Home / 63,603.10-87,765.96-35,305.76

Finding the Fourth Proportional to 63,603.10, 87,765.96 and 35,305.76

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Solution

The fourth proportional to 63,603.10, 87,765.96 and 35,305.76 is: 48,718.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,603.10 : 87,765.96 = 35,305.76 : x
  2. Step 2: Convert to fraction form
    63,603.10/87,765.96 = 35,305.76/x
  3. Step 3: Cross multiply
    63,603.10x = 87,765.96 × 35,305.76
  4. Step 4: Simplify right side
    63,603.10x = 3,098,643,919.93
  5. Step 5: Solve for x
    x = 3,098,643,919.93/63,603.10
  6. Step 6: Final answer
    x = 48,718.44

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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.