Home / 63,188.16-94,761.60-21,059.20

Finding the Fourth Proportional to 63,188.16, 94,761.60 and 21,059.20

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Solution

The fourth proportional to 63,188.16, 94,761.60 and 21,059.20 is: 31,581.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,188.16 : 94,761.60 = 21,059.20 : x
  2. Step 2: Convert to fraction form
    63,188.16/94,761.60 = 21,059.20/x
  3. Step 3: Cross multiply
    63,188.16x = 94,761.60 × 21,059.20
  4. Step 4: Simplify right side
    63,188.16x = 1,995,603,486.72
  5. Step 5: Solve for x
    x = 1,995,603,486.72/63,188.16
  6. Step 6: Final answer
    x = 31,581.92

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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.