Home / 99,375.40-149,066.70-29,261.80

Finding the Fourth Proportional to 99,375.40, 149,066.70 and 29,261.80

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Solution

The fourth proportional to 99,375.40, 149,066.70 and 29,261.80 is: 43,893.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,375.40 : 149,066.70 = 29,261.80 : x
  2. Step 2: Convert to fraction form
    99,375.40/149,066.70 = 29,261.80/x
  3. Step 3: Cross multiply
    99,375.40x = 149,066.70 × 29,261.80
  4. Step 4: Simplify right side
    99,375.40x = 4,361,959,962.06
  5. Step 5: Solve for x
    x = 4,361,959,962.06/99,375.40
  6. Step 6: Final answer
    x = 43,893.76

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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.