Home / 63,103.93-94,620.39-20,961.46

Finding the Fourth Proportional to 63,103.93, 94,620.39 and 20,961.46

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Solution

The fourth proportional to 63,103.93, 94,620.39 and 20,961.46 is: 31,430.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,103.93 : 94,620.39 = 20,961.46 : x
  2. Step 2: Convert to fraction form
    63,103.93/94,620.39 = 20,961.46/x
  3. Step 3: Cross multiply
    63,103.93x = 94,620.39 × 20,961.46
  4. Step 4: Simplify right side
    63,103.93x = 1,983,381,520.17
  5. Step 5: Solve for x
    x = 1,983,381,520.17/63,103.93
  6. Step 6: Final answer
    x = 31,430.40

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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.