Home / 63,810.36-95,720.40-19,440.90

Finding the Fourth Proportional to 63,810.36, 95,720.40 and 19,440.90

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Solution

The fourth proportional to 63,810.36, 95,720.40 and 19,440.90 is: 29,162.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,810.36 : 95,720.40 = 19,440.90 : x
  2. Step 2: Convert to fraction form
    63,810.36/95,720.40 = 19,440.90/x
  3. Step 3: Cross multiply
    63,810.36x = 95,720.40 × 19,440.90
  4. Step 4: Simplify right side
    63,810.36x = 1,860,890,724.36
  5. Step 5: Solve for x
    x = 1,860,890,724.36/63,810.36
  6. Step 6: Final answer
    x = 29,162.83

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1.5x scale

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.