Home / 66,261.40-99,392.10-59,003.80

Finding the Fourth Proportional to 66,261.40, 99,392.10 and 59,003.80

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Solution

The fourth proportional to 66,261.40, 99,392.10 and 59,003.80 is: 88,505.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,261.40 : 99,392.10 = 59,003.80 : x
  2. Step 2: Convert to fraction form
    66,261.40/99,392.10 = 59,003.80/x
  3. Step 3: Cross multiply
    66,261.40x = 99,392.10 × 59,003.80
  4. Step 4: Simplify right side
    66,261.40x = 5,864,511,589.98
  5. Step 5: Solve for x
    x = 5,864,511,589.98/66,261.40
  6. Step 6: Final answer
    x = 88,505.70

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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.