Home / 67,997.12-102,038.88-26,444.48

Finding the Fourth Proportional to 67,997.12, 102,038.88 and 26,444.48

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Solution

The fourth proportional to 67,997.12, 102,038.88 and 26,444.48 is: 39,683.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,997.12 : 102,038.88 = 26,444.48 : x
  2. Step 2: Convert to fraction form
    67,997.12/102,038.88 = 26,444.48/x
  3. Step 3: Cross multiply
    67,997.12x = 102,038.88 × 26,444.48
  4. Step 4: Simplify right side
    67,997.12x = 2,698,365,121.38
  5. Step 5: Solve for x
    x = 2,698,365,121.38/67,997.12
  6. Step 6: Final answer
    x = 39,683.52

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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.